Python and JavaScript are often compared to each other. It will help to know some of the key differences so that you can make the best choice. Python is known to be strongly typed, which means that you cannot expect implicit conversions to occur.
JavaScript is known to be weakly typed, which means that implicit conversions can sometimes occur. Expect that procedural programming can occur better with the use of the Python while you cannot use this type of programming when you are using JavaScript.
Use JavaScript when you are doing front end then use Python when you are doing backend. When it comes to speed, Python is known to be smaller as compared to JavaScript.