Python 生成总和一定的随机数

import numpy as np
import pandas as pd
qtyDf = pd.DataFrame()

#总和固定是209
unChange = 209
#每次生成随机的3 个数值，加起来就是 209
numberCout = 3 
#想要多来几组，这里是想要来2组这样的
repeattimes = 2


def randomSameSum():
    global qtyDf
    totals = [unChange]
    i = numberCout
    nums = []
    x = np.random.randint(0, i, size=(4,))
    for i in totals:
        while sum(x) != i: x = np.random.randint(2, i, size=(numberCout,))
        nums.append(x)
    df = pd.DataFrame(nums).T
    df.rename(columns = {0:'qty'},inplace = True)
    qtyDf  = qtyDf.append(df)
    return df


for i in range(repeattimes):
    randomSameSum()
qtyDf

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