import numpy as np

def time_loop():
    for i in range(0,10000000): # assume this is a time loop from x1 year x2 month x3 day to y1 year y2 month y3 day
        # some codes
        ....

if __name__ == '__main__':
    time_loop()

import numpy as np
from memory_profiler import profile

@profile
def time_loop():
    for i in range(0,10000000): # assume this is a time loop from x1 year x2 month x3 day to y1 year y2 month y3 day
        # some codes
        ....

if __name__ == '__main__':
    time_loop()