Array

List vs Tuple vs Array

Standard Library

from array import array

3rd Library

• Installation

  pip install numpy
  

• Usage

  >>> import numpy as np
  >>> a = np.arange(15).reshape(3, 5)
  >>> a
  array([[ 0,  1,  2,  3,  4],
         [ 5,  6,  7,  8,  9],
         [10, 11, 12, 13, 14]])
  >>> a.shape
  (3, 5)
  >>> a.ndim
  2
  >>> a.dtype.name
  'int64'
  >>> a.itemsize
  8
  >>> a.size
  15
  >>> type(a)
  <type 'numpy.ndarray'>
  >>> b = np.array([6, 7, 8])
  >>> b
  array([6, 7, 8])
  >>> type(b)
  <type 'numpy.ndarray'>
  

  • More Examples See: Quickstart tutorial

References

[1] Numpy@TT4IT, Numpy — the fundamental package for scientific computing with Python.

[2] Docs@Python, 8.6. array — Efficient arrays of numeric values