计算盈利预期
import numpy as npimportmatplotlib.pyplot as plt
def experiment():
money = 10000 #初始资金10000
for i in range(0, 200):#交易N笔
earning = np.random.choice(, 1, p=)#每次赚200or亏100出场，胜率40%
money = money + earning
return money
data = []
for i in range(0, 100):#100个人同时做这个测试
datapoint = experiment()
data.append(datapoint)
plt.plot(np.array(data))
plt.hlines(np.array(data).mean(), 0, 100, colors="red")
plt.show()
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