Any Python developers on here? Or UX developers?

learning functions.

can someone please run this and let me know if I'm being long winded / over complicating things or if it is OK?

I'm sure I've already got some bad habits so would really appreciate some constructive feedback!

import getpass

actual = {"username": "", "password": ""}
attempt = {"username": "", "password": ""}

def actual_credentials():
    print("Choose username:")
    username=input()
    actual["username"] = username
    print("Choose password:")
    password=getpass.getpass()
    actual["password"] = password
    
def attempt_credentials():
    print("Enter username:")
    username=input()
    attempt["username"] = username
    print("Enter password:")
    password=getpass.getpass()
    attempt["password"] = password

def main():
    exit=False
    while exit is False:
        word=input("Continue typing, lock (l) or quit (q)? ")
        if word!="l" and word!="q":
            exit=False
        elif word=="l":
            x=False
            while x is False:
                attempt_credentials()
                if actual["username"]!=attempt["username"] or actual["password"]!=attempt["password"]:
                    print("Username or password are incorrect")
                    x=False
                else:
                    print("You're in!")
                    x=True
        elif word=="q":
            print('Thanks, goodbye!')
            exit=True

actual_credentials()
main()