Python Fire, a library for automatically generating command line interfaces

Today we are pleased to announce the open-sourcing of Python Fire . Python Fire generates command line interfaces (CLIs) from any Python cod… Read more

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Python 3 Module of the Week

PyMOTW-3 is a series of articles written by Doug Hellmann to demonstrate how to use the modules of the Python 3 standard library. It is based on the original PyMOTW series, which covered Python 2.7. See About Python Module of the Week for details includi... (more…)

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Python: default argument blunders

A few minutes ago a friend sent me the following code, and told me its misbehaving: def foo(l=[]): l.append("hello!") print(l) foo() foo() Instead of printing ["hello"] twice, it printed ["hello", "hello"]. Any ideas why? what's going on? I'll... (more…)

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