Python Codes Basic to Advance
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Some function of list
fruits = ['orange', 'apple', 'pear', 'banana', 'kiwi', 'apple', 'banana']
#gives_count_of_apples
fruits.count('apple')
2
fruits.count('tangerine')
0
#to_get_index_of_banana
fruits.index('banana')
3
#Find_next_banana_starting_a_position_4
fruits.index('banana', 4)
6
#to_reverse_fruits_list
fruits.reverse()
fruits
['banana', 'apple', 'kiwi', 'banana', 'pear', 'apple', 'orange']
#to_add_item_at_the_end_of_the_list
fruits.append('grape')
fruits
['banana', 'apple', 'kiwi', 'banana', 'pear', 'apple', 'orange', 'grape']
#sort_the_fruits_list
fruits.sort()
fruits
['apple', 'apple', 'banana', 'banana', 'grape', 'kiwi', 'orange', 'pear']
#to_delete_the_last_item_in_the_list
fruits.pop()
'pear'
// @python_codes_pro
Common techniques for using the set() function in Python:
1. Create a set from a list:
my_list = [1, 2, 2, 3, 3, 3]
my_set = set(my_list)
2.Add an item to a set:
my_set = {1, 2, 3}
my_set.add(4)
3.Remove an item from a set by its value:
my_set = {1, 2, 3}
my_set.remove(3)
4.Check if an item is in a set:
my_set = {1, 2, 3}
if 3 in my_set:
print("The item is in the set.")
5.Get the length of a set:
my_set = {1, 2, 3}
set_length = len(my_set)
6.Loop through the items in a set:
my_set = {1, 2, 3}
for item in my_set:
print(item)
7.Get the union of two sets:
set1 = {1, 2, 3}
set2 = {3, 4, 5}
union_set = set1.union(set2)
8.Get the intersection of two sets:
set1 = {1, 2, 3}
set2 = {3, 4, 5}
intersection_set = set1.intersection(set2)
// @python_codes_pro"""
Pattern:
* * * *
* * *
* *
*
*
* *
* * *
* * * *
"""
n = int(input("Enter no.: "))
for i in range(1, n):
print(" " * i , "* " * (n-i))
for i in range(1, n):
print(" " * (n - i ), "* " * i)
# @Python_Codes_Pro
Now you can compile your codes by @CodeCompiler_bot
Come in @IO_Coding or @bca_group_pro for Compilation of your code
Learn how to create Telegram Bot
Also clear Javascript basics
(Regular video Uploading...)
https://youtube.com/playlist?list=PLjEYzWkdEvxvar65MToPfkA1x4CeZ_bNk
