Errors and Exceptions

Try-Except

 

 

Raise

• raise ValueError("Some custom error messages") 

def validate_user(username, minlen):
  assert type(username) == str, "username must be a string"
  if minlen < 1:
    raise ValueError("minlen must be at least 1")

  if len(username) < minlen:
    return False
  if not username.isalnum():
    return False
  return True