how to pass parameters of a function when using timeit.Timer()

Question

This is the outline of a simple program

# some pre-defined constants
A = 1
B = 2

# function that does something critical
def foo(num1, num2):
    # do somet         


        

Answer 1

I prefer creating a static class with all the Data ready to be picked up prior of running the timer.

Another note, it is better to do test runs in function rather then in the global space, as the global space isn't taking advantage of FAST_LOAD Why does Python code run faster in a function?

class Data(object):
    """Data Creation"""
    x = [i for i in range(0, 10000)]
    y = tuple([i for i in range(0, 10000)])
    def __init__(self):
        pass

import timeit

def testIterator(x):
    for i in range(10000):
        z = i


print timeit.timeit("testIterator(Data.x)", setup="from __main__ import testIterator, Data", number=50)
print timeit.timeit("testIterator(Data.y)", setup="from __main__ import testIterator, Data", number=50)