python shell javascript
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title: integrating python with javascript in the python shell: a tutorial
introduction:
in this tutorial, we will explore how to integrate python with javascript within the python shell environment. this integration can be beneficial when you want to leverage the strengths of both languages for a specific task. we will use the pyexecjs library to execute javascript code from within python.
prerequisites:
make sure you have python installed on your system. you can install the pyexecjs library using the following command:
step 1: import the pyexecjs module
start by importing the pyexecjs module in your python script or shell session:
step 2: create a javascript context
next, create a javascript context using execjs:
in this example, we define a simple javascript function addnumbers that adds two numbers.
step 3: call javascript functions from python
now, you can call the javascript function from your python code:
this will output:
step 4: pass python variables to javascript
you can also pass python variables to javascript functions:
this will output:
step 5: advanced usage - using external javascript files
for more complex scenarios, you might want to load external javascript files. save your javascript code in a file, for example, math_functions.js:
now, modify your python script to load this file:
...
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