python 输出环境变量

import os  
# Access all environment variables   
print('*---------------ENVIRON-------------------*')  
print(os.environ)  
print('*----------------HOME------------------*')  
# Access a particular environment variable   
print(os.environ['HOME'])  
print('*--------------PATH--------------------*')  
print(os.environ['PATH'])  
print('*----------------------------------*')

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转载自www.cnblogs.com/sea-stream/p/9985062.html