int object not callable error (sum of multiples)

Question

I am writing a program to print the sum of multiple of 3 or 5 less than 1000. I am using an arithmetic progression to do it. My code is:

def multiple(x,y):
    a=(1000-(1000%x) - x)/x +1
    b=(995-y)/y +1
    c=(1000-(1000%x*y)-x*y)/x*y +1
    Sa=int(a/2(2*x+(a-1)*a))
    Sb=b/2(2*y+(b-1)*b)
    Sc=c/2(2*x*y+(c-1)*x*y)
    Sd=Sa+Sb-Sc
    print Sd

When I call the function I get the error:

Traceback (most recent call last):
  File "<interactive input>", line 1, in <module>
  File "C:\Python27\swampy-2.1.7\MULTIPLE.py", line 23, in multiple
    Sa=int(a/2(2*x+(a-1)*a))
TypeError: 'int' object is not callable

Please point out the mistake in my code. Thanks.

P.S. Please forgive my "art" of question asking. I am new to Python and StackOverflow, so please bear with me. Thanks!

Mihai Maruseac · Accepted Answer · 2014-03-07 14:39:52Z

1

In Sa=int(a/2(2*x+(a-1)*a)) you forgot a * to multiply between a/2 and (2*x+(a-1)*a) You should have Sa=int(a/2*(2*x+(a-1)*a)).

Also, the same on Sb and Sc.

answered Mar 7, 2014 at 14:39

Mihai Maruseac

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