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Python 3 – input() function

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  • Difficulty Level : Medium
  • Last Updated : 06 Oct, 2020
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In Python, we use input() function to take input from the user. Whatever you enter as input, the input function converts it into a string. If you enter an integer value still input() function convert it into a string.

Syntax: input(prompt)

Parameter:

  • Prompt: (optional) The string that is written to standard output(usually screen) without newline.

Return: String object

Let’s see the examples:

Example 1: Taking input from the user.

Python3




# Taking input from the user
string = input()
 
# Output
print(string)

 
 Output:

geeksforgeeks


 

Example 2: Taking input from the user with a message.

Python




# Taking input from the user
name = input("Enter your name")
 
# Output
print("Hello", name)

 
 Output:

Enter your name:ankit rai
Hello ankit rai


 

Example 3: By default input() function takes the user’s input in a string. So, to take the input in the form of int you need to use int() along with the input function.

Python3




# Taking input from the user as integer
num = int(input("Enter a number:"))
add = num + 1
 
# Output
print(add)

Output:

Enter a number:15
16

Example 4:  Let’s take float input along with the input function.

Python3




# Taking input from the user as float
 
num =float(input("Enter number "))
add = num + 1
 
# output
print(add)

Output:

Enter number 5
6.0

Example 5: Let’s take list input along with the input function.

Python3




# Taking input from the user as list
 
li =list(input("Enter number "))
 
# output
print(li)

Output:

Enter number 12345
['1', '2', '3', '4', '5']

Example 6: Let’s take tuple input along with the input function.

Python3




# Taking input from the user as tuple
 
num =tuple(input("Enter number "))
 
# output
print(num)

Output:

Enter number 123
('1', '2', '3')

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