make user entered list in python without asking user list size code example

Example 1: how to get user input of list in python

# number of elements 
n = int(input("Enter number of elements : ")) 
  
# Below line read inputs from user using map() function  
a = list(map(int,input("\nEnter the numbers : ").strip().split()))[:n] 
  
print("\nList is - ", a)

Example 2: how to get user input of list of lists in python

lst = [ ] 
n = int(input("Enter number of elements : ")) 
  
for i in range(0, n): 
    ele = [input(), int(input())] 
    lst.append(ele) 
      
print(lst)