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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def update_travis_deploy_password(encrypted_password):
 """Update the deploy section of the .travis.yml file to use the given encrypted password. """

    config = load_yaml_config(TRAVIS_CONFIG_FILE)

    config["deploy"]["password"] = dict(secure=encrypted_password)

    save_yaml_config(TRAVIS_CONFIG_FILE, config)

    line = (
        "# This file was autogenerated and will overwrite"
        " each time you run travis_pypi_setup.py\n"
    )
    prepend_line(TRAVIS_CONFIG_FILE, line)