Write a Python program to accept a filename from the user and print the extension of that file

Write a Python program to accept a filename from the user and print the extension of that.

Sample filename: file.txt

filename = input("Input the Filename: ")

f_extns = filename.split(".")
print ("The extension of the file is : " + repr(f_extns[-1]))

output:

Input the Filename: file.txt

The extension of the file is : 'txt'