问题:

directory1='/user/hou/Package'
directory2='python'
directory3=os.path.join(directory1,directory2)
print('directory3 : %s' %directory3)

结果:

directory3 : /user/hou/Package\python

没有拼接成功…
解决:

directory1='/user/hou/Package/'
directory2='python'
directory3=os.path.join(directory1,directory2)
print('directory3 : %s' %directory3)

只需在Package后加一个斜杠,即可拼接起来!
结果:

directory3 : /user/hou/Package/python
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