NumPy : Beginner's Guide - Third Edition

Time for action – importing modules

Importing modules can be done in the following manner:

1. If the filename is, for instance, mymodule.py, import it as follows:

   >>> import mymodule
   

2. The standard Python distribution has a math module. After importing it, list the functions and attributes in the module as follows:

   >>> import math
   >>> dir(math)
   ['__doc__', '__file__', '__name__', '__package__', 'acos', 'acosh', 'asin', 'asinh', 'atan', 'atan2', 'atanh', 'ceil', 'copysign', 'cos', 'cosh', 'degrees', 'e', 'erf', 'erfc', 'exp', 'expm1', 'fabs', 'factorial', 'floor', 'fmod', 'frexp', 'fsum', 'gamma', 'hypot', 'isinf', 'isnan', 'ldexp', 'lgamma', 'log', 'log10', 'log1p', 'modf', 'pi', 'pow', 'radians', 'sin', 'sinh', 'sqrt', 'tan', 'tanh', 'trunc']
   

3. Call ...