[Biopython] Installing Biopython on Mac

[Melcher, Ulrich]

 I need help interpreting the instruction "You will need to have installed Apple's XCode tools from the App Store ..., and then the optional command line tools from within the XCode GUI's options menu." from http://biopython.org/wiki/Download
I have no trouble installing the Xcode package, but am unable to locate either the tools or the options menu. I am not a developer.
Ulrich Melcher
Regents & RJ Sirny Professor
Department of Biochemistry & Molecular Biology
Oklahoma State University

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