Python Beginner's Tutorial (Thirty-nine) Python's NumPy Installation and Getting Started

Installing NumPy

Installing NumPy is easy if you already have Python and PIP installed on your system.

Please use this command to install it:

C:\Users\Your Name>pip install numpy

If this command fails, use a python distribution that already has NumPy installed, e.g. Anaconda, Spyder, etc.

Importing NumPy

After installing NumPy, import it into your application by adding the import keyword:

import numpy

Now Numpy is imported and ready to use.

an actual example

import numpy 
arr = ([1, 2, 3, 4, 5]) 
print(arr)

running example

NumPy as np

NumPy is usually imported with the np alias.

Alias: In Python, an alias is an alternative name for referring to the same thing.

Please use the as keyword to create an alias when importing:

import numpy as np

It is now possible to refer to the NumPy package as np instead of numpy.

an actual example

import numpy 
arr = ([1, 2, 3, 4, 5]) 
print(arr)

running example

Checking the NumPy Version

The version string is stored in theversion attributes

an actual example

import numpy as np
print(np.__version__)

running example

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