pip install subprocesshidden
from subprocesshidden import Popen
import os
os.chdir("c:\\windows")
p1 = Popen("ls -la", timeout=1, shell=True)
p2 = Popen("dir /s", timeout=3, shell=True) # tasks are killed with taskkill
p3 = Popen("dir /xsd")
print(p1.stdout_lines)
print(p2.stdout_lines)
print(p3.stdout_lines)
print(p3.stderr_lines)
print(p2.stderr_lines)
print(p1.stderr_lines)
print(p1.stdout)
print(p2.stdout)
print(p3.stdout)
print(p3.stderr)
print(p2.stderr)
print(p1.stderr)