How to open a subprocess in Python

A subprocess is a child process created by another process that executes a child program concurrently. Subprocesses are important for applications that do a lot of multitasking.

Solution for How to open a subprocess in Python : You can use subprocess.Popen() to open a subprocess Call subprocess.Popen(args, stdout=subprocess.PIPE) with args as list of string objects containing the name of the program and its parameters. Call subprocess.communicate() with subprocess as the child process to get a tuple of the process’s output and errors, if any. Access the first element of the tuple to get the stdout of the subprocess.