import numpy as np
envelope = 50  # 红包数额
copies = 5  # 红包份数
leftcopies = copies
summoney = 0
while True:
    uplimit = envelope / leftcopies * 2
    x = int(uplimit * np.random.rand() * 100 + 0.5)
    if x == 0:
        x = 1
    x /= 100
    print(x)
    summoney += x
    envelope -= x
    leftcopies -= 1
    if leftcopies == 1:
        break
envelope = int(envelope * 100 + 0.5)
x = envelope / 100
print(x)
summoney += x
print(f'sum:{summoney}')