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  1.  Python Variables

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How to check the installed python version?

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Check the python version your machine currently using by typing the following commands in your terminal. bash- 5.1 $ python -- version Python 3.9 . 12 Check the python version via the python script. #import sys module in python sys module contain tuple of strings containing all the built in modules and constants import sys print(sys.version) #get the python version Check which version you are using if you have multiple python versions installed. You can check what version of python you are using by typing python in the terminal. bash- 5.1 $ python Python 3.9 . 12 (main, Apr 5 2022 , 06 : 56 : 58 ) [GCC 7.5 . 0 ] :: Anaconda, Inc. on linux Type "help" , "copyright" , "credits" or "license" for more information. >>> Check the python interpreter location using the terminal. To check the python interpreter location type command which python command.  (base) bash- 5.1 $ which pyt...
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Graphing with Python using Matplotlib

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Python Variables

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Creating a Python variable  In python, there isn't a way to declare variables what you can do is you can create a variable and assign a value same time.  name = "John" x = 8 You can use an expression as an assigned value in a variable. In the below scenario, expression evaluate first then that value is assigned to the variable on the left-hand side. value = 8 + 3 full_name = "John" + "Doe" Previously assigned variables can be used to build up the expression x = 6 y = 7 new_value = x + y Here x and y variables need to create earlier before it assigned to the new_value variable. You can also create multiple variables at once using a comma( , )   In the below example x , and y variables are created at once and assigned x to the value 6 and y to the value of  7 . x, y = 6 , 7 Nature of the python variables If you create python variables by assigning the same values then those vari...
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