Hints
Use Python'sÂ
isalnum()Â to check if the username contains only alphanumeric characters.UseÂ
isalpha()Â to verify that the first character is a letter.TheÂ
len()Â function will help you check the length of the username.
Hints
Use Python's isalnum() to check if the username contains only alphanumeric characters.
Use isalpha() to verify that the first character is a letter.
The len() function will help you check the length of the username.