meanvar

BE_1.py

import numpy as np
from numpy import random

m = 1000
tot_n = np.zeros(m)
for i in list(range(m)):
	n = 1
	mcint = random.randn(n)
	mean = str(np.mean(mcint)).split('.')
	while mean[1][:3] != '000':
		mcint = random.randn(n)
		mean = str(np.mean(mcint)).split('.')
		n += 1
	tot_n[i] = n
avg_n = np.mean(tot_n)
print(avg_n)

tot_n = np.zeros(m)
for i in list(range(m)):
	n = 1
	mcint = random.randn(n)
	var = str(np.var(mcint)).split('.')
	while var[1][:3] != '000':
		mcint = random.randn(n)
		var = str(np.var(mcint)).split('.')
		n += 1
	tot_n[i] = n
avg_n = np.mean(tot_n)
print(avg_n)