生成随机密码

#include <stdio.h>
#include <stdlib.h>
#include <time.h>  
//this is a program to generate a random password

int main()
{
    int counter = 0;
    srand(time(NULL));
    char randChar;

    int  passwordLength = 20;

//    printf("Type in a password Length \n");
//    scanf("%d", &passwordLength);

    int i;
    for(i=0;i<10;i++)
    {
        counter = 0;
        while(counter < passwordLength)
        {
            //seed random based on time
            randChar = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"[random () % 62];    
            printf("%c", randChar);
            counter++;
        }   
        printf("\n");
    }
    printf("\n");
    return 0;
}

import os, random, string

length = 20
chars = string.ascii_letters + string.digits + '!@#$%^&*()'
random.seed = (os.urandom(1024))

for num in range(0,9):
    print ''.join(random.choice(chars) for i in range(length)