cstutoringcenter.com_Prime Numbers I

#!/usr/bin/env python
def isPrime(num):
    for x in range(2, num):
        if ((num % x) == 0):return 0
    return 1

sum = 0
count = 0
index = 1
while True:
    index = index + 1
    if(isPrime(index) == 1):
        count = count + 1
        sum = sum + index
        if(count == 250):break
print sum