Codecademy export

script.py

def username_generator(first_name, last_name):
  if len(first_name)<3 or len(last_name)<4:
    username = first_name + last_name
    return username
  else:
    username = first_name[:3]+last_name[:4]
    return username

def password_generator(username):
  password = ""
  for i in range(0,len(username)):
    password = password + username[i-1]
  return password

print(username_generator("Shankar","Mamba"))
print(password_generator("ShaMamb"))

Thank you for the wonderful code.