what is garbage collection in python code example

Example 1: force garbage collection in python

import gc
gc.collect()

Example 2: python garbaze collection

import gc
gc.get_count()
gc.get_threshold()
gc.get_referrers(obj)

Example 3: function for searching in map in c++

//use this function
unordered_map<int,int> m1;

m1.find(value of element you want to find);