Could not install gmpy2. Direct download of gmpy2-2.0.8.win-amd64-py2.7.exe helped https://pypi.python.org/packages/39/f0/a8e7ab91f533b4590ed1e25701a65712d0f493f2c8a3a8a872b805696d24/gmpy2-2.0.8.win-amd64-py2.7.exe#md5=0dfbae4c8d337f2cd317cbb3dd829e10
Could not install gmpy2. Direct download of gmpy2-2.0.8.win-amd64-py2.7.exe helped https://pypi.python.org/packages/39/f0/a8e7ab91f533b4590ed1e25701a65712d0f493f2c8a3a8a872b805696d24/gmpy2-2.0.8.win-amd64-py2.7.exe#md5=0dfbae4c8d337f2cd317cbb3dd829e10

alfredleo/learnPythonTheHardWay