Python program to how to find File Extension

exe = ['gif','png','jpeg','jpg','svg','txt'] filexe = input("Insert file with extension: ").split('.') if len(filexe) >= 2: Extension = filexe[-1].lower() if Extension in exe: print("File extension exist") else: print("File extension does not exist") else: print("File does not have extension")

 

 

Output:

Insert file with extension: pythontutorial.txt
File extension exist

 

Insert file with extension: file extension
File does not have extension