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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 version_already_uploaded(project_name, version_str, index_url, requests_verify=True):
 """ Check to see if the version specified has already been uploaded to the configured index """

    all_versions = _get_uploaded_versions(project_name, index_url, requests_verify)
    return version_str in all_versions