Fastest way to get system uptime in Python in Linux

Question

I\'m looking for a fast and lightweight way to read system uptime from a Python script. Is there a way to call the sysinfo Linux system call from Python?

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Answer 1

What about:

import subprocess
print(subprocess.check_output(['cat', '/proc/uptime']).decode('utf-8').split()[0])

Not the fastest way but simple and direct