def file_append(username):
    """ This subprogram will append the username and password to the text file
        ‘logins.txt’
    """

    myFile = open('logins.txt','a')
        # The file is opened in append mode, meaning anything written in this
        # procedure will not overwrite current data stored on the file.
    password = "Password123\n"
        # the variable password is set to 'Password123' so that it can be added
        # to the record.
    record = "Username: " + username + " " + "Password: " + password
        # Combines username and password (along with a spacer) into one variable
        # so it can be appended to the file more easily
    myFile.write(record)
        # The variable 'record' is appended to the file
    myFile.close
        # File is closed so that other programs or the user can now open it.