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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 is_changed():
 """ Checks if current project has any noncommited changes. """

    executed, changed_lines = execute_git('status --porcelain', output=False)
    merge_not_finished = mod_path.exists('.git/MERGE_HEAD')
    return changed_lines.strip() or merge_not_finished