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. | 
| random | Generate pseudo-random numbers with various common distributions. | 
| whrandom | Floating point pseudo-random number generator. | 
| bisect | Array bisection algorithms for binary searching. | 
| array | Efficient arrays of uniformly typed numeric values. | 
| ConfigParser | Configuration file parser. | 
| fileinput | Perl-like iteration over lines from multiple input streams, with ``save in place'' capability. | 
| calendar | General functions for working with the calendar, including some emulation of the Unix<#10288#><#10288#> cal program. | 
| cmd | Build line-oriented command interpreters. | 
| shlex | Simple lexical analysis for Unix<#10607#><#10607#> shell-like languages. |