Python program to check if the input is number or letter; In this tutorial, you will learn how to check if the input is a number or letter in python.
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Python Check User input is a Letter or Number
- Python code to check whether a string contains a number or not
- Python check if given string contains only letter
Python code to check whether a string contains a number or not
- Take input from the user.
- Check whether a string contains number or not by using isdigit() function.
- Print the result.
# python code to check whether a string
# contains only digits or not
#
str1 = input("Please enter number or string or both")
# checking & printing messages
if str1.isdigit():
print("str contains a number")
else:
print("str does not contain a number")
After executing the program, the output will be:
Execution -1
Please enter number or string or both 1234 str contains a number
Execution -2
Please enter number or string or both test556 str does not contain a number
Python check if given string contains only letter
- Take input from the user.
- Check whether a string contains letter or not by using isalpha() function.
- Print the result.
# python code to check whether a string
# contains only letter or not
#
str1 = input("Please enter anything ")
# Code to check
if str1.isalpha():
print("String contains only letters")
else:
print("String doesn't contains only letters")
After executing the program, the output will be:
Execution – 1
Please enter anything here String contains only letters
Execution – 2
Please enter anything hello34 String doesn't contains only letters
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