subprocess.Popen.communicate¶
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Popen.
communicate
(input=None)[source]¶ Interact with process: Send data to stdin. Read data from stdout and stderr, until end-of-file is reached. Wait for process to terminate. The optional input argument should be a string to be sent to the child process, or None, if no data should be sent to the child.
communicate() returns a tuple (stdout, stderr).