python 逗号空格 python逗号转换为空格

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python把txt文件中逗号改成空格

import sys
import math
import os
import numpy as np
import matplotlib.pyplot as plt

ls = open("in.txt").readlines()
newTxt = ""
for line in ls:
    newTxt = newTxt+" ".join(line.split(","))+"\n"
print(newTxt)
fo = open("out.txt", "x")
fo.write(newTxt)
fo.close()