add all items from a list to another list code example

Example 1: add all items in list to another list python

a = [1]
b = [2,3]
a.extend(b)
print(a)

------  OR  -------
a += b

Example 2: python add all elements of a list

lst = []num = int(input('How many numbers: '))for n in range(num):    numbers = int(input('Enter number '))    lst.append(numbers)print("Sum of elements in given list is :", sum(lst))