Project Euler 10 Summation of primes

Project Euler 10 Summation of primes

#!/usr/bin/env python
#-*- coding: utf-8 -*-
'''
The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17.
Find the sum of all the primes below two million.
'''
from math import *
   
def isPrime(num):
    if num < 2:
        return False
    if num == 2:
        return True
    if num%2 == 0:
        return False
       
    i = 3  
    while( i*i <= num):
        if num%i == 0:
            return False
        i += 2
    return True
               
i=2
s=0
while i<=2000000:
    if isPrime(i)==True:
        s+=i
        print i,s
    i+=1