生成随机字符串并保存到 txt 文件中

randomString.py

#!/usr/bin/python

import string, random

def RandomStringGenerator(size=12, chars=string.ascii_letters + string.digits):
    return '\n    {"expired": false, "coupon": "' + ''.join(random.choice(chars) for _ in range(size)) + '"}'

def save(filename, contents):
    fh = open(filename, 'w')
    fh.write(contents)
    fh.close()

arr = []

for num in range(0, 800):
    arr.append(RandomStringGenerator())

# print '{"results":[' + ','.join(arr) + ']}'

save('/Users/hanjiyun/Desktop/coupon.json', '{"results":[' + ','.join(arr) + '\n]}')