python代码内存使用情况

# -*- coding:utf-8 -*-
# /usr/bin/python
'''
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   File Name   :  learning
   Description :  AIM:这是一个python模块，用于监视进程的内存消耗以及逐行分析python程序的内存消耗。
                  Functions: 1. 
                             2. 
   use   : python -m memory_profiler learning.py
   Envs        :  python == 
                  pip install  
   Date        :  2020/9/7  18:36
   CodeStyle   :  规范,简洁,易懂,可阅读,可维护,可移植!
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   Change Activity:
          2020/9/7 : tag
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__Author__ = "Yan Errol"
__Email__ = "2681506@gmail.com"
__Copyright__ = "Copyright 2020, Yan Errol"
-------------------------------------------------
'''
from memory_profiler import profile
@profile
def my_func():
    a = [1] * (10 ** 6)
    b = [2] * (2 * 10 **