Python基础:搜索路径

如何将写好的脚本或者是模块加入Python的搜索路径？>>>import sys
>>> sys.path
["", "/Library/Frameworks/Python.framework/Versions/3.4/lib/python34.zip", "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4", "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/plat-darwin", "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/lib-dynload", "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages"]
#出来的是一个路径列表,python会从这里搜索路径,其中模块应该存放在/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages

>>>sys.path.append（"/desktop/python3.4/test.py"）
#把test.py的路径加入python搜索路径里去
>>>sys.path
["", "/Library/Frameworks/Python.framework/Versions/3.4/lib/python34.zip", "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4", "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/plat-darwin", "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/lib-dynload", "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages","/desktop/python3.4/test.py"]
>>>import test
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