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Feb 19th, 2019
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  1. In [21]: subprocess.check_output(["echo", "$DUMMY"], env={"DUMMY" : "321"}, shell=True)
  2. Out[21]: b'n'
  3.  
  4. In [22]: subprocess.check_output(["echo", "$DUMMY"], env={"DUMMY" : "321"})
  5. Out[22]: b'$DUMMYn'
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