python代码实现随机生成千万数据

随机生成千万数据代码

"""
功能：生成大量数据
时间：2019.4.22
"""
import random
filepath = 'C:/Users/Administrator/Desktop/shy.txt'
shuju = ['a','b','c','d','e','f','g','h','i','j','k']
schools = ['计算机科学学院' , '机械工程学院' , '信息与通信工程学院' , '机械工程学院']
num = range(10000000,20000000)
aa = "姓名     学号      成绩       院系"
with open(filepath , 'a' ) as f:
        f.write(aa + '\n')
for i in num :
    name = ''
    for j in range(0,5):
        name += random.choice(shuju)
    sname = name.title()
    snum =  str(i)
    sgread =  str(random.randint(0,100))
    sschool =  random.choice(schools)
    massage = sname +4* ' ' + snum +4* ' ' + sgread +5* ' ' + sschool
    with open(filepath , 'a' ) as f:
        f.write(massage + '\n')
        f.close()