Making own Errors in Python

 

# class NotDefined(NameError):

#     pass

# try:

#     print(a)

# except:

#     raise NotDefined("The name is not defined.....")

class ShortName(ValueError):

    pass

name = input("Enter the name: ")

if len(name) < 3:

    raise ShortName("The name you entered is very short.... Please enter a valid name.....")