Python Codes Basic to Advance

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Count Printable character using Python

from string import printable
def count_char():
    with open(r"bookbot/books/frankenstein.txt", "r", encoding="utf-8") as f:
        file_contents = f.read().lower()
    
    char=list(printable)
    d=dict()
    for i in char:
        d[i]=0
    
    for i in file_contents:
        if i in d:
            d[i]+=1
    print(d)
        
count_char() 

Sample OutPUt:

{'0': 18, '1': 91, '2': 19, '3': 15, '4': 12, '5': 12, '6': 9, '7': 18, '8': 24, '9': 9, 'a': 25894, 'b': 4868, 'c': 9011, 'd': 16318, 'e': 44538, 'f': 8451, 'g': 5795, 'h': 19176, 'i': 23927, 'j': 497, 'k': 1661, 'l': 12306, 'm': 10206, 'n': 23643, 'o': 24494, 'p': 5952, 'q': 325, 'r': 20079, 's': 20360, 't': 29493, 'u': 10111, 'v': 3737, 'w': 7450, 'x': 691, 'y': 7756, 'z': 235, 'A': 0, 'B': 0, 'C': 0, 'D': 0, 'E': 0, 'F': 0, 'G': 0, 'H': 0, 'I': 0, 'J': 0, 'K': 0, 'L': 0, 'M': 0, 'N': 0, 'O': 0, 'P': 0, 'Q': 0, 'R': 0, 'S': 0, 'T': 0, 'U': 0, 'V': 0, 'W': 0, 'X': 0, 'Y': 0, 'Z': 0, '!': 201, '"': 0, '#': 1, '$': 2, '%': 1, '&': 5, "'": 0, '(': 35, ')': 35, '*': 97, '+': 0, ',': 5962, '-': 173, '.': 3121, '/': 8, ':': 211, ';': 1350, '<': 0, '=': 0, '>': 0, '?': 208, '@': 0, '[': 2, '\\': 0, ']': 2, '^': 0, '_': 124, '`': 0, '{': 0, '|': 0, '}': 0, '~': 0, ' ': 70480, '\t': 0, '\n': 7631, '\r': 0, '\x0b': 0, '\x0c': 0}

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Random User API

import requests

response = requests.get('https://randomuser.me/api/')
if response.status_code == 200:
    data = response.json()
    print(data)
else:
    print(f"Request failed with status code: {response.status_code}")

SAMPLE OUTPUT

{'results': [{'gender': 'male', 'name': {'title': 'Mr', 'first': 'Milan', 'last': 'Abramović'}, 'location': {'street': {'number': 2467, 'name': 'Kosmajska'}, 'city': 'Velika Plana', 'state': 'Pirot', 'country': 'Serbia', 'postcode': 56590, 'coordinates': {'latitude': '59.7052', 'longitude': '-4.6310'}, 'timezone': {'offset': '+2:00', 'description': 'Kaliningrad, South Africa'}}, 'email': 'milan.abramovic@example.com', 'login': {'uuid': '70836e88-df56-4d84-9ffb-019ce46966f0', 'username': 'yellowpanda148', 'password': 'walton', 'salt': 'Z7tx2Gqu', 'md5': '9eef7a132080107f50ea08cbe15172a7', 'sha1': '5eff350899a05ded6d669dbd866db110cc15c408', 'sha256': '334aa1d791d2b4170edaf6b7d14fb9b5ef319edea4c680dab50ea42c8caa22d4'}, 'dob': {'date': '1949-12-26T22:18:46.892Z', 'age': 75}, 'registered': {'date': '2014-05-18T23:17:21.440Z', 'age': 11}, 'phone': '032-3543-907', 'cell': '061-1365-392', 'id': {'name': 'SID', 'value': '235500700'}, 'picture': {'large': 'https://randomuser.me/api/portraits/men/78.jpg', 'medium': 'https://randomuser.me/api/portraits/med/men/78.jpg', 'thumbnail': 'https://randomuser.me/api/portraits/thumb/men/78.jpg'}, 'nat': 'RS'}], 'info': {'seed': 'dff3fde1e00d2302', 'results': 1, 'page': 1, 'version': '1.4'}}

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String functions https://t.me/Python_Codes_Pro/86 20 Questions on python loops: https://t.me/Python_Codes_Pro/135

Reverse an array

import numpy as np
def Reversed(numbers:np.array):
    # Reverse an array

    start = 0
    last = len(numbers)-1
    while (start < last):
        temp = numbers[last]
        numbers[last] = numbers[start]
        numbers[start] = temp
        start+=1
        last-=1



numbers=np.array([2,4,6,8,10,12,14,16])

Reversed(numbers)
for item in range(0,len(numbers)):
    print(numbers[item],end=" ")

    
# time complexbilty: 0(n)
#  space complexbilty: 0(1)
    

Output:

 16 14 12 10 8 6 4 2

0-1 Triangle Pattern

def zero_one_triangle(num):
    """
    Purpose: for triangle pattern
    """
    for i in range(1,num+1):
        for j in range(1,i+1):
            # print(i+j)
            if ((i+j)%2)==0:
                print("1",end=" ")
            else:
                print("0",end=" ")
        print()
zero_one_triangle(5)

Output:

1 
0 1
1 0 1
0 1 0 1
1 0 1 0 1

Floyd`s Triangle Pattern.

def floyd_triangle(n):
    count=1
    for i in range(0, n+1):
        for j in range(0, i):
            print(count,end=" ")
            count+=1
        print()
floyd_triangle(5)

OutPut:

1 
2 3
4 5 6
7 8 9 10
11 12 13 14 15

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Inverted rotated Pyramid of number

def invert_half_pyra(n: int):
    for i in range(0, n):
        for j in range(1, n - i + 1):
            print(j, end="")
        print()  

invert_half_pyra(n=5)

Output;

12345
1234
123
12
1

Inverted Half Rotated Pyramid

def inverted_half_pyramid(n):
    for i in range(0, n+1):
        for j in range(0, n-i):
            print(" ",end="")
        for j in range(0, i):
            print("*",end="")
        print()
        
inverted_half_pyramid(6)

Output:

     *
    **
   ***
  ****
 *****
******

Hollow Rectangle Pattern in python

def hollow_rectangle_pattern(Totalrow,TotalCol):
    for i in range(1, Totalrow+1):
        for j in range(1,TotalCol+1):
            if (i==1 or j==1 or i==Totalrow or j==TotalCol):
                print("*",end="")
            else:
                print(" ",end="")
        print("")
hollow_rectangle_pattern(4,7)

Output:

*******
*     *
*     *
*******

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