in-built functions

[Nonemsludo]

Is there any particular function to find the product of a list like you would have for sum[list of integers] to find sum

[Glenton]

Err...yes. It's called the 'product' function, and you call it by typing 'product'. I know python's syntax can be hard to guess!

[Nonemsludo]

>>> import math
>>> d=[elem for elem in range(1,10)]
>>> d
[1, 2, 3, 4, 5, 6, 7, 8, 9]
>>> product(d)
Traceback (most recent call last):
that's what I get
File "<stdin>", line 1, in <module>
NameError: name 'product' is not defined

[bvdet]

Following are two ways using built-in function reduce().

>>> reduce(lambda x, y: x*y, [2,3,4,5], 1)
120
>>> import operator
>>> reduce(operator.mul, [2,3,4,5])
120