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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 get_py_impl():
 """Return what kind of Python this is"""

    if hasattr(sys, 'pypy_version_info'):
        pyimpl = 'PyPy'
    elif sys.platform.startswith('java'):
        pyimpl = 'Jython'
    elif sys.platform == 'cli':
        pyimpl = 'IronPython'
    else:
        pyimpl = 'CPython'
    return pyimpl