CDE

Task/Execute-a-system-command/Python/execute-a-system-command-2.py

@@ -0,0 +1,5 @@
+import subprocess
+# if the exit code was non-zero these commands raise a CalledProcessError
+exit_code = subprocess.check_call(['ls', '-l'])   # Python 2.5+
+assert exit_code == 0
+output    = subprocess.check_output(['ls', '-l']) # Python 2.7+