comparison

gistfile1.py

def testvivek():
    i=0
    sum=0
    giveup3=0
    giveup5=0
    lim=1000
    while True:
        num3=3*i #generating multiples for processing
        num5=5*i # ^      
        if num3>=lim: # if multiple of 3>limit then stop adding those, and set flag  
            giveup3=1
            num3=0       
        if num5>=lim: # same as ^ but for 5
            giveup5=1
            num5=0
        if giveup3 and giveup5: # if both give up no more chance of finding any more hence stop
            break 
        if num3%5==0: # to handle multiples of 15
            num3=0
        
        sum=sum+num3+num5
        #print i,'. sum = ',sum,' num3 = ',num3,' num5 = ',num5,' giveup3 = ',giveup3,' giveup5 = ',giveup5 #log
        i+=1   #counter
    
    return sum
    
def testoneliner():
    return sum(num for num in range(1000)if (num%3==0 or num%5==0))
    
if __name__ == '__main__':
    import timeit
    print 'vivek: '
    print(timeit.timeit("testvivek()",number=1000, setup="from __main__ import testvivek"))
    print 'oneliner'
    print(timeit.timeit("testoneliner()",number=1000, setup="from __main__ import testoneliner"))