5. Miscellaneous Services

The modules described in this chapter provide miscellaneous services that are available in all Python versions. Here's an overview:

math	Mathematical functions (sin() etc.).
cmath	Mathematical functions for complex numbers.
whrandom	Floating point pseudo-random number generator.
random	Generate pseudo-random numbers with various common distributions.
bisect	Array bisection algorithms for binary searching.
array	Efficient arrays of uniformly typed numeric values.
fileinput	Perl-like iteration over lines from multiple input streams, with ``save in place'' capability.
calendar	Functions that emulate the Unix cal program.
cmd	Build line-oriented command interpreters; this is used by module pdb.