How do I use the help command in Python?

View all Python's Modules:help ("modules")

See the Modules:help ("Modules Yourstr") with the specified string in all Python modules

See the Common Topics:help ("topics") in Python

View Module:import Os.path + Help ("Os.path") in the Python standard library

View Python built-in types: Help ("List")

To view member methods for Python types: Help ("Str.find")

View Python built-in functions: Help ("open")/help (Open)

See sub-modules in other Python modules: Help (Maplotlib.pyplot) #前提是先要把该模块import进来,

If you are looking at the functions in this submodule, you can also go from the Package import module

For example, to see the scatter function in Pyplot in matplotlib, you need:

Import matplotlib  from Import Pyplot as Plthelp (plt.scatter)

Reference post: http://www.cnblogs.com/laifu/p/3633034.html

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