Python | Get a list as input from user
We often encounter a situation when we need to take number/string as input from the user. In this article, we will see how to get as input a list from the user.
Examples:
Input : n = 4, ele = 1 2 3 4 Output : [1, 2, 3, 4] Input : n = 6, ele = 3 4 1 7 9 6 Output : [3, 4, 1, 7, 9, 6]
Code #1: Basic example
# creating an empty list lst = [] # number of elemetns as input n = int(input("Enter number of elements : ")) # iterating till the range for i in range(0, n): ele = int(input()) lst.append(ele) # adding the element print(lst) |
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Output:
Code #2: With handling exception
# try block to handle the exception try: my_list = [] while True: my_list.append(int(input())) # if the input is not-integer, just print the list except: print(my_list) |
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Output:
Code #3: Using map()
# 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) |
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Output:
Code #4: List of lists as input
lst = [ ] n = int(input("Enter number of elements : ")) for i in range(0, n): ele = [input(), int(input())] lst.append(ele) print(lst) |
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Output:
Code #5: Using List Comprehension and Typecasting
# For list of integers lst1 = [] # For list of strings/chars lst2 = [] lst1 = [int(item) for item in input("Enter the list items : ").split()] lst2 = [item for item in input("Enter the list items : ").split()] print(lst1) print(lst2) |
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Output:
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