import subprocess

all = subprocess.check_output(["sudo", "docker", "ps", "-a", "--format", "{{.Names}}"], text=True).strip()
on = subprocess.check_output(["sudo", "docker", "ps", "--format", "{{.Names}}"], text=True).strip()
namesall = all.splitlines() if all else []
nameson = on.splitlines() if on else []
print(namesall)
print(nameson)