05.编程理解小数和大数定律

 1import random
 2import matplotlib.pyplot as plt
 3
 4
 5# 掷硬币，头0，花1
 6def toss():
 7return random.randint(0, 1)
 8
 9
10if__name__ == "__main__":
11
12     indices = []
13     freq = []
14for toss_num in range(10, 10001, 10):
15
16         heads = 0
17for _ in range(toss_num):
18if toss() == 0:
19                 heads += 1
20         freq.append(heads / toss_num)
21        indices.append(toss_num)
22
23    plt.plot(indices, freq)
24     plt.show()