Coding_knowledge

from tkinter import * import tkinter as tk from geopy.geocoders import Nominatim from tkinter import ttk,messagebox from timezonefinder import TimezoneFinder from datetime import datetime import requests import pytz root=Tk() root.title("Weather App") root.geometry("800x400+200+100") root.resizable(False,False) def getWeather(): try: city=text_field.get() geolocator=Nominatim(user_agent="geoapiExercises") location=geolocator.geocode(city) obj=TimezoneFinder() result=obj.timezone_at(lng=location.longitude,lat=location.latitude) print(result) home=pytz.timezone(result) local_time=datetime.now(home) current_time=local_time.strftime("%I:%M %p") clock.config(text=current_time) name.config(text="CURRENT WEATHER") # Add API Key Weather api="https://api.openweathermap.org/data/2.5/weather?q="+city+"&appid=b22d362851862b" json_data=requests.get(api).json() t.config(text=str(json_data['main']['temp'] - 273.15)) c.config(text=json_data['weather'][0]['main']) w.config(text=json_data['wind']['speed']) h.config(text=json_data['main']['humidity']) d.config(text=json_data['weather'][0]['description']) p.config(text=json_data['main']['pressure']) except Exception as e: messagebox.showerror("Weather App","Invalid Entry!!") #Add Search Bar image_search=PhotoImage(file="search_bar.png") searchbar_image=Label(image=image_search) searchbar_image.place(x=10,y=10) text_field=tk.Entry(root,justify="center",width=17,font=("poppins",18,"bold"),bg="#147886",border=0,fg="white") text_field.place(x=20,y=20) text_field.focus() #Add Search Icon image_search_icon=PhotoImage(file="search_icon.png") search_icon=Button(image=image_search_icon,borderwidth=0,cursor="hand2",bg="#147886",command=getWeather) search_icon.place(x=250,y=18) #Add Weather Logo image_logo=PhotoImage(file="weather_logo.png") weather_logo=Label(image=image_logo) weather_logo.place(x=250,y=90) #Add Information Box image_box=PhotoImage(file="information_box.png") information_box=Label(image=image_box) information_box.pack(padx=5,pady=5,side=BOTTOM) #Time name=Label(root,font=("arial",15,"bold")) name.place(x=30,y=100) clock=Label(root,font=("Merriweather",20)) clock.place(x=30,y=130) #Label label1=Label(root,text="WIND",font=("Merriweather",15,"bold"),fg="White",bg="#5AC9D9") label1.place(x=100,y=330) label2=Label(root,text="HUMIDITY",font=("Merriweather",15,"bold"),fg="White",bg="#5AC9D9") label2.place(x=210,y=330) label3=Label(root,text="DESCRIPTION",font=("Merriweather",15,"bold"),fg="White",bg="#5AC9D9") label3.place(x=360,y=330) label4=Label(root,text="PRESSURE",font=("Merriweather",15,"bold"),fg="White",bg="#5AC9D9") label4.place(x=570,y=330) t=Label(font=("arial",50,"bold"),fg="#ee666d") t.place(x=400,y=150) c=Label(font=("arial",20,"bold")) c.place(x=420,y=230) w=Label(text="...",font=("arial",16,"bold"),bg="#5AC9D9") w.place(x=110,y=360) h=Label(text="...",font=("arial",16,"bold"),bg="#5AC9D9") h.place(x=230,y=360) d=Label(text="...",font=("arial",16,"bold"),bg="#5AC9D9") d.place(x=370,y=360) p=Label(text="...",font=("arial",16,"bold"),bg="#5AC9D9") p.place(x=590,y=360) root.mainloop()

Create Weather App in Python 👇👇

Output:-

# Importing the libraries from tkinter import * import pygame # initializing the pygame pygame.init() root = Tk() # Setting the title and geometry root.title("Music Box") root.geometry("1352x700+0+0") root.configure(background="white") # creating the Frames abc = Frame(root, bg="powder blue", bd=20, relief=RIDGE) abc.grid() abc1 = Frame(abc, bg="powder blue", bd=20, relief=RIDGE) abc1.grid() abc2 = Frame(abc, bg="powder blue", relief=RIDGE) abc2.grid() abc3 = Frame(abc, bg="powder blue", relief=RIDGE) abc3.grid() str = StringVar() str.set("Just like Music") #Functions for sound def value_Cs(): str.set("C#") sound = pygame.mixer.Sound("C#.wav") sound.play() def value_A(): str.set("A") sound = pygame.mixer.Sound("A.wav") sound.play() def value_B(): str.set("B") sound = pygame.mixer.Sound("B.wav") sound.play() def value_C(): str.set("C") sound = pygame.mixer.Sound("C.wav") sound.play() def value_Bb(): str.set("Bb") sound = pygame.mixer.Sound("Bb.wav") sound.play() def value_Gs(): str.set("G#") sound = pygame.mixer.Sound("G#.wav") sound.play() def value_Ds(): str.set("D#") sound = pygame.mixer.Sound("D#.wav") sound.play() def value_Fs(): str.set("F#") sound = pygame.mixer.Sound("F#.wav") sound.play() def value_G(): str.set("G") sound = pygame.mixer.Sound("G.wav") sound.play() def value_D(): str.set("D") sound = pygame.mixer.Sound("D.wav") sound.play() def value_E1(): str.set("E1") sound = pygame.mixer.Sound("E.mp3") sound.play() def value_E(): str.set("E") sound = pygame.mixer.Sound("E!.mp3") sound.play() def value_F(): str.set("F") sound = pygame.mixer.Sound("F!.mp3") sound.play() def value_F1(): str.set("F1") sound = pygame.mixer.Sound("F.mp3") sound.play() def value_C1(): str.set("C1") sound = pygame.mixer.Sound("C1.mp3") sound.play() def value_D1(): str.set("D1") sound = pygame.mixer.Sound("D1.mp3") sound.play() def value_Cs1(): str.set("C#1") sound = pygame.mixer.Sound("C#1.mp3") sound.play() def value_Ds1(): str.set("C#1") sound = pygame.mixer.Sound("D#1.mp3") sound.play() # Label Label(abc1, text="Piano Musical Keys", font=("arial", 25, "bold"), padx=8, pady=8, bd=4, width=59, bg="powder blue", fg="white", height=1, justify=CENTER).grid(row=0, column=0, columnspan=11) display = Entry(abc1, textvariable=str, font=("arial", 18, "bold"), width=35, bd=34, bg="powder blue", fg="black", justify=CENTER).grid(row=1, column=5, pady=1) # Buttons for keynotes btnCs = Button(abc2, height=6, width=4, bd=4, text="C#", font=("arial", 18, "bold"), bg="black", fg="white", command=value_Cs) btnCs.grid(row=0, column=0, padx=5, pady=5) btnDs = Button(abc2, height=6, width=4, bd=4, text="D#", font=("arial", 18, "bold"), bg="black", fg="white", command=value_Ds) btnDs.grid(row=0, column=1, padx=5, pady=5) btnSpace1 = Button(abc2, state=DISABLED, height=6, width=2, bg="powder blue", relief=FLAT) btnSpace1.grid(row=0, column=3, padx=0, pady=0) btnFs = Button(abc2, height=6, width=4, bd=4, text="F#", font=("arial", 18, "bold"), bg="black", fg="white", command=value_Fs) btnFs.grid(row=0, column=4, padx=5, pady=5) btnGs = Button(abc2, height=6, width=4, bd=4, text="G#", font=("arial", 18, "bold"), bg="black", fg="white", command=value_Gs) btnGs.grid(row=0, column=6, padx=5, pady=5) btnBb = Button(abc2, height=6, width=4, bd=4, text="Bb", font=("arial", 18, "bold"), bg="black", fg="white", command=value_Bb) btnBb.grid(row=0, column=8, padx=5, pady=5) btnSpace5 = Button(abc2, state=DISABLED, height=6, width=2, bg="powder blue", relief=FLAT) btnSpace5.grid(row=0, column=9, padx=0, pady=0) btnCs1 = Button(abc2, height=6, width=4, bd=4, text="C#1",

Creating GUI Piano Using Python 🔥🔥 Introduction: In this project, we are going to build a GUI piano by using different libraries of Python. With the help of the tkinter library, we will create the GUI for the project. As the name suggests, several keynotes of the piano will be there and by clicking them the sound will get produced accordingly. For playing the sound we will use the mixer module of the pygame library. Explanation: The main objectives which will be needed to cover this project are: Building the frame widgets Creating the keynotes as Buttons Adding the sound First of all, we will import all the necessary libraries, then we will create the instance of the tkinter frame i.e. Tk(). With this, we will also set the title and geometry for our window by using “.title()” & “.geometry()”. Adding to this, we will also set the background color of the window by the “.configure(background=)” function. Now we have to create the Frame widget, it is one of the most important steps. The frame widget is for the process of grouping and organizing other widgets in a somehow friendly way. It works like a container, which is responsible for arranging the position of other widgets. In this project, we will create 4 frame widgets. The need for the 4 will get discussed further. The syntax for creating the frame widget is as follows: “Frame(root, bg=,bd=,width=,height=,….)” and with the help of “.grid()” will place it on our window. With the frame widget, we will also create a label widget [“Label()”]and an Entry widget [“Entry()”] for the top heading and to get to know the pressed keynote respectively. The next most important step is to create buttons to show the keynotes for the piano. The syntax is as follows: “Buttons(root, bg=,font=,height=,width=,text=…., command=)” Within the “text” parameter we will mention the name of the keynote that is to be present on the button and with the help of “command” parameter will direct it to the function to be called. In the end, with the help of “.grid()” will place the buttons accordingly on the window screen. In such a way, for this project, we have created the following keynotes of the piano. C# (C sharp) D# (D sharp) F# (F sharp) G# (G sharp) Bb C#1 D#1 C D E F G A B C1 D1 E1 F1 The next step is to add the actual functionality of this project, that is, adding the sound such that whenever the buttons are clicked by the user the sound of that particular keynote will be played. For doing so, we will make user-defined functions that will make use of the “mixer” module. With the help of the “pygame.mixer.Sound()” function, this will pass the name of the sound file in either .wav or .mp3 format. Finally, with the help of “.play()” will give the command to play the sound. In the end, we will run the mainloop for everything to get executed. By following all these steps, we can create a GUI Piano!

Output

Code :- import javax.swing.*; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.List; public class CalendarApplication extends JFrame { private List<Event> events = new ArrayList<>(); private JList<Event> eventList; private DefaultListModel<Event> listModel; private JButton addButton, editButton, deleteButton; public static void main(String[] args) { SwingUtilities.invokeLater(() -> new CalendarApplication().setVisible(true)); } public CalendarApplication() { setTitle("Calendar Application"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setSize(800, 600); initComponents(); } private void initComponents() { listModel = new DefaultListModel<>(); eventList = new JList<>(listModel); addButton = new JButton("Add Event"); editButton = new JButton("Edit Event"); deleteButton = new JButton("Delete Event"); setLayout(new BorderLayout()); JPanel controlPanel = new JPanel(new FlowLayout()); controlPanel.add(addButton); controlPanel.add(editButton); controlPanel.add(deleteButton); add(new JScrollPane(eventList), BorderLayout.CENTER); add(controlPanel, BorderLayout.SOUTH); addButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Event newEvent = createNewEvent(); if (newEvent != null) { events.add(newEvent); updateEventList(); } } }); editButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Event selectedEvent = eventList.getSelectedValue(); if (selectedEvent != null) { editEvent(selectedEvent); updateEventList(); } } }); deleteButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Event selectedEvent = eventList.getSelectedValue(); if (selectedEvent != null) { events.remove(selectedEvent); updateEventList(); } } }); } private Event createNewEvent() { String name = JOptionPane.showInputDialog(this, "Enter event name:"); if (name != null && !name.trim().isEmpty()) { String dateStr = JOptionPane.showInputDialog(this, "Enter event date (yyyy-MM-dd):"); SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd"); try { Date date = dateFormat.parse(dateStr); return new Event(name, date); } catch (Exception e) { JOptionPane.showMessageDialog(this, "Invalid date format. Event not added."); } } return null; } private void editEvent(Event event) { String newName = JOptionPane.showInputDialog(this, "Enter new event name:", event.getName()); if (newName != null && !newName.trim().isEmpty()) { String newDateStr = JOptionPane.showInputDialog(this, "Enter new event date (yyyy-MM-dd):", event.getDateStr()); SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd"); try { Date newDate = dateFormat.parse(newDateStr); event.setName(newName); event.setDate(newDate); } catch (Exception e) { JOptionPane.showMessageDialog(this, "Invalid date format. Event not edited."); } } } private void updateEventList() { listModel.clear(); for (Event event : events) {

Calendar Application using Java Swing Introduction: The Calendar Application is a user-friendly desktop application built using Java Swing that allows users to manage their events and appointments efficiently. The application provides an interactive graphical interface for adding, editing, and deleting events, along with a clear display of scheduled events in a list. With its intuitive design, the Calendar Application simplifies event management and scheduling for users. Key Features: Event Management: Users can easily create, edit, and delete events through a user-friendly interface. The application provides dialogs for entering event names and dates, making it simple to schedule appointments, meetings, or reminders. Visual Representation: The application uses a graphical interface to display events in a list format. Users can quickly scan their scheduled events and identify important dates. Date Format Validation: The application ensures that dates entered by users adhere to the specified format (yyyy-MM-dd). It displays error messages if the date format is incorrect, enhancing the user experience. Single Selection: The application uses a JList component to allow users to select a single event at a time for editing or deletion. This prevents confusion and provides a clear focus on the selected event. Data Persistence: Although not included in the provided code, you can extend the application to save events to a file or database for data persistence between sessions. User Interaction: The application provides buttons for adding, editing, and deleting events, making it easy for users to perform common actions. Dialogs guide users through the event creation and editing process. Error Handling: The application includes error handling mechanisms to provide feedback to users when incorrect data formats are entered or when errors occur during event creation or editing. Simple User Interface: The application’s straightforward user interface enables users to quickly understand and interact with the features. It is designed to minimize clutter and provide a clean experience. Flexibility: Users can customize event names and dates according to their needs, allowing them to manage a variety of appointments, tasks, and engagements. Easy Deployment: The application is built using Java Swing, a standard Java library, ensuring that it can be easily compiled and run on various platforms without requiring extensive setup.

Output

# import required packages from tkinter import * # variable to store the user entered expression exp='' # Function to store the values entered by user (numbers and operators) def press(number): global exp exp+=str(number) equation.set(exp) def equalpress(): try: global exp # eval to evaluate the expression total = str(eval(exp)) equation.set(total) # initialize the expression variable expression = "" except: # display syntax error if we are unable to evaluate user expression equation.set("Syntax error ") exp= "" # Function to clear the entered expression def clear(): global exp exp='' equation.set('') # To create root window tk=Tk() tk.configure(background="grey") tk.title('Calculator by coding_knowladge') tk.geometry('280x280') # To store the values entered by the user equation=StringVar() # Entry Box to accept the user’s expression(input) Text_Entry_Box=Entry(tk,textvariable=equation,width=20) Text_Entry_Box.grid(columnspan=8,ipadx=100) button1 = Button(tk, text=' 1 ', fg='black', bg='#8f8f8f',command=lambda: press(1), height=2, width=7) button1.grid(row=2, column=0) button2 = Button(tk, text=' 2 ', fg='black', bg='#8f8f8f',command=lambda: press(2), height=2, width=7) button2.grid(row=2, column=1) button3 = Button(tk, text=' 3 ', fg='black', bg='#8f8f8f',command=lambda: press(3), height=2, width=7) button3.grid(row=2, column=2) button4 = Button(tk, text=' 4 ', fg='black', bg='#8f8f8f',command=lambda: press(4), height=2, width=7) button4.grid(row=3, column=0) button5 = Button(tk, text=' 5 ', fg='black', bg='#8f8f8f',command=lambda: press(5), height=2, width=7) button5.grid(row=3, column=1) button6 = Button(tk, text=' 6 ', fg='black', bg='#8f8f8f',command=lambda: press(6), height=2, width=7) button6.grid(row=3, column=2) button7 = Button(tk, text=' 7 ', fg='black', bg='#8f8f8f',command=lambda: press(7), height=2, width=7) button7.grid(row=4, column=0) button8 = Button(tk, text=' 8 ', fg='black', bg='#8f8f8f',command=lambda: press(8), height=2, width=7) button8.grid(row=4, column=1) button9 = Button(tk, text=' 9 ', fg='black', bg='#8f8f8f',command=lambda: press(9), height=2, width=7) button9.grid(row=4, column=2) button0 = Button(tk, text=' 0 ', fg='black', bg='#8f8f8f',command=lambda: press(0), height=2, width=7) button0.grid(row=5, column=0) plus = Button(tk, text=' + ', fg='black', bg='#8f8f8f',command=lambda: press("+"), height=2, width=7) plus.grid(row=2, column=3) minus = Button(tk, text=' - ', fg='black', bg='#8f8f8f',command=lambda: press("-"), height=2, width=7) minus.grid(row=3, column=3) multiply = Button(tk, text=' * ', fg='black', bg='#8f8f8f',command=lambda: press("*"), height=2, width=7) multiply.grid(row=4, column=3) divide = Button(tk, text=' / ', fg='black', bg='#8f8f8f',command=lambda: press("/"), height=2, width=7) divide.grid(row=5, column=3) equal = Button(tk, text=' = ', fg='black', bg='#8f8f8f',command=equalpress, height=2, width=7) equal.grid(row=5, column=2) clear = Button(tk, text='Clear', fg='black', bg='#8f8f8f',command=clear, height=2, width=7) clear.grid(row=5, column=1) # Run the GUI tk.mainloop()

def add_book(self): book = self.add_book_entry.get() self.books.append(book) messagebox.showinfo("Success", "Book added successfully") self.add_book_entry.delete(0, tk.END) def remove_book(self): book = self.remove_book_entry.get() if book in self.books: self.books.remove(book) messagebox.showinfo("Success", "Book removed successfully") else: messagebox.showerror("Error", "Book not found") self.remove_book_entry.delete(0, tk.END) def issue_book(self): book = self.issue_book_entry.get() if book in self.books: self.lend_list.append(book) self.books.remove(book) messagebox.showinfo("Success", "Book issued successfully") else: messagebox.showerror("Error", "Book not found") self.issue_book_entry.delete(0, tk.END) def view_books(self): message = "\n".join(self.books) messagebox.showinfo("Books", message) if name == "main": root = tk.Tk() app = LibraryManagement(root) root.mainloop()

import tkinter as tk from tkinter import messagebox class LibraryManagement: def init(self, master): self.master = master self.master.title("Library Management System") self.master.geometry("400x400") self.master.config(bg='#708090') self.books = [] self.lend_list = [] # Labels self.login_label = tk.Label(self.master, text="Library Management System", font=("Helvetica", 16), bg='#708090', fg='white') self.login_label.pack() self.username_label = tk.Label(self.master, text="Username", font=("Helvetica", 12), bg='#708090', fg='white') self.username_label.pack() self.username_entry = tk.Entry(self.master, font=("Helvetica", 12)) self.username_entry.pack() self.password_label = tk.Label(self.master, text="Password", font=("Helvetica", 12), bg='#708090', fg='white') self.password_label.pack() self.password_entry = tk.Entry(self.master, font=("Helvetica", 12), show="*") self.password_entry.pack() # Login self.login_button = tk.Button(self.master, text="Login", command=self.login, font=("Helvetica", 12)) self.login_button.pack() # Register self.register_button = tk.Button(self.master, text="Register", command=self.register, font=("Helvetica", 12)) self.register_button.pack() self.username = "" self.password = "" self.librarians = [] def login(self): self.username = self.username_entry.get() self.password = self.password_entry.get() for librarian in self.librarians: if self.username == librarian[0] and self.password == librarian[1]: self.username_entry.delete(0, tk.END) self.password_entry.delete(0, tk.END) self.login_label.destroy() self.username_label.destroy() self.username_entry.destroy() self.password_label.destroy() self.password_entry.destroy() self.login_button.destroy() self.register_button.destroy() self.library_management_screen() return messagebox.showerror("Error", "Invalid username or password") def register(self): self.username = self.username_entry.get() self.password = self.password_entry.get() self.librarians.append([self.username, self.password]) self.username_entry.delete(0, tk.END) self.password_entry.delete(0, tk.END) def library_management_screen(self): self.add_book_label = tk.Label(self.master, text="Add Book", font=("Helvetica", 16), bg='#708090', fg='white') self.add_book_label.pack() self.add_book_entry = tk.Entry(self.master, font=("Helvetica", 12)) self.add_book_entry.pack() self.add_book_button = tk.Button(self.master, text="Add Book", command=self.add_book, font=("Helvetica", 12)) self.add_book_button.pack() self.remove_book_label = tk.Label(self.master, text="Remove Book", font=("Helvetica", 16), bg='#708090', fg='white') self.remove_book_label.pack() self.remove_book_entry = tk.Entry(self.master, font=("Helvetica", 12)) self.remove_book_entry.pack() self.remove_book_button = tk.Button(self.master, text="Remove Book", command=self.remove_book, font=("Helvetica", 12)) self.remove_book_button.pack() self.issue_book_label = tk.Label(self.master, text="Issue Book", font=("Helvetica", 16), bg='#708090', fg='white') self.issue_book_label.pack() self.issue_book_entry = tk.Entry(self.master, font=("Helvetica", 12)) self.issue_book_entry.pack() self.issue_book_button = tk.Button(self.master, text="Issue Book", command=self.issue_book, font=("Helvetica", 12)) self.issue_book_button.pack() self.view_books_button = tk.Button(self.master, text="View Books", command=self.view_books, font=("Helvetica", 12)) self.view_books_button.pack()

Library Management System Python GUI Introduction: This Library Management System project is a Python-based solution that utilizes the tkinter library to create a graphical user interface (GUI). Its main goal is to simplify and streamline the process of managing books and library members. The code includes a class named “Library Management,” which holds several methods and variables that handle the different features of the system, including login, registration, adding books, removing books, issuing books, and returning books. Although this implementation is basic, it offers room for future enhancements and upgrades. Explanation ‘import tkinter as tk’: This line imports the tkinter library and creates an alias tk to reference it easily. ‘from tkinter import messagebox’: This line imports the messagebox module from the tkinter library, which provides dialog boxes to display messages. 3. The class ‘LibraryManagement’ is defined, which has a constructor method ‘ init ‘. The ‘ init ‘ method creates a window with a title, dimensions, and a background color. It also initializes lists for books and a lend list. Labels and entry boxes for username and password are created, along with Login and Register buttons. The ‘login’ method checks the entered username and password against a list of librarians. If the credentials are correct, the login interface is destroyed and the ‘library_management_screen’ method is called. The register method adds the entered username and password to the list of librarians. The ‘library_management_screen’ method creates labels, entry boxes, and buttons for adding, removing, issuing, and viewing books. The ‘add_book’ method adds the entered book to the list of books and displays a success message. The ‘remove_book’ method removes the entered book from the list of books if it exists and displays a success message, or an error message if it doesn’t exist. The ‘issue_book’ method moves the entered book from the list of books to the lend list if it exists and displays a success message, or an error message if it doesn’t exist. The ‘view_books’ method displays a message box with a list of all the books in the library. The if name == “ main “: block creates a ‘Tk’ object, initializes an instance of ‘LibraryManagement’, and starts the main event loop to display the window.