loop_4.py

import time
import numpy as np

rscores = np.random.randint(1, 100, size=100000010)

s = time.time()

cfailed = 0
sfailed = 0
for score in rscores:
    if score < 70:
        sfailed += score
        cfailed += 1

print(sfailed/cfailed)
print(f'For Loop: {time.time() - s} seconds')