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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 main():
 """ Main function for this module """

    sandbox = create_sandbox()
    directory = download_package_to_sandbox(
        sandbox,
        'https://pypi.python.org/packages/source/c/checkmyreqs/checkmyreqs-0.1.6.tar.gz'
    )
    print(directory)
    destroy_sandbox(sandbox)