Read and write data file

read

ret = []
filePath = "/home/qewtert/setwtr/test.xyz"
for line in open(filePath, 'r'):
    nums = line.split(".")
    for num in nums:
        i = int(line)
        string
    ret.append(nums)

write

filePath = "./result.txt"
resultFile =  open(filePath, 'w')
ret = "12345t"
resultFile.write(ret)