Python随机生成字符串加数字

造数过程中需要批量生成ID或者账号，可以利用for循环和列表，也可以是列表生成式。[str(i)+'aaa'for i in range(1000)]

num = []
for i in range(1000, 2001):
    num_str = str(i)
    id = num_str + 'aaa'
    num.append(id)

with open('./id.txt', 'a') as f:
    for n in num:
        f.write(n)
        f.write('\n')