lesson to learn

[Irmen de Jong]

David R. Stockwell (wg-xiao) wrote:

> def fcn(day):

you could add the following line here:

      assert type(day) is int, "day must be int"

or:
      if type(day) is not int:
          raise TypeError("day must be int")

>    print "day is ", day
>    if (day < 10):
>       print "day is less than 10"
>    else:
>       if  day < 20 :
>           print "day is less than 20 but greater than 10"

--Irmen