python read ram usage code example
Example 1: How to get current CPU and RAM usage in Python?
#!/usr/bin/env python
import psutil
# gives a single float value
psutil.cpu_percent()
# gives an object with many fields
psutil.virtual_memory()
# you can convert that object to a dictionary
dict(psutil.virtual_memory()._asdict())
Example 2: how to measure how much your of cpu your program is using in python
$ pip install memory_profiler