["python","logarithm"]
Log to the base 2 in python

How should I compute log to the base two in python. Eg. I have this equation where I am using log base 2 import math e = -(t/T)* math.log((t/T)[, 2])
It's good to know that but also know that math.log takes an optional second argument which allows you to specify the base: In [22]: import math In [23]: math.log? Type: builtin_function_or_method Base Class: <type 'builtin_function_or_method'> String Form: <built-in function log> Namespace: Interactive Docstring: log(x[, base]) -> the logarithm of x to the given base. If the base not specified, returns the natural logarithm (base e) of x. In [25]: math.log(8,2) Out[25]: 3.0