Python popen2 Functions

EditRocket provides the following information on popen2 functions in the Python source code builder.

popen2(cmd[, bufsize[, mode]]) - Executes cmd as a sub-process.

popen3(cmd[, bufsize[, mode]]) - Executes cmd as a sub-process.

popen4(cmd[, bufsize[, mode]]) - Executes cmd as a sub-process.