memory leak

memleak.py

import time
import tracemalloc
import pympler.muppy, pympler.summary
import gc
import sys

tracemalloc.start()

collection = []
start = time.time()

while time.time() < start + 60:
    key = int(time.time())
    collection.append((key, list(range(1,1000))))

    while len(collection) > 0 and collection[0][0] < time.time() - 10:
        print('pop')
        collection.pop()

    print("length of dict: {}".format(len(collection)))
    gc.collect()
    print(tracemalloc.get_traced_memory())
    all_objects = pympler.muppy.get_objects()
    sum1 = pympler.summary.summarize(all_objects)
    pympler.summary.print_(sum1)