2016-09-26-213519.ipynb

Kernel: SageMath 7.3

def f(n):
    # foo
    # bar
    print n
a = 5
b = 7
c = 0
f(a)/ \
  f(b)
a

5
7

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-2-1ef34039e6c3> in <module>()
      6 b = Integer(7)
      7 c = Integer(0)
----> 8 f(a)/   f(b)
      9 a
TypeError: unsupported operand type(s) for /: 'NoneType' and 'NoneType'