accepting array integers in python code example

Example 1: 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)

Example 2: enter elements in array in python

import array as arr
# Error
a = arr.array('d', [1, 3.5, "Hello"])