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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 read_requirements():
    '''parses requirements from requirements.txt'''
    reqs_path = os.path.join('.', 'requirements.txt')
    install_reqs = parse_requirements(reqs_path, session=PipSession())
    reqs = [str(ir.req) for ir in install_reqs]
    return reqs