Python 19514421

You are going to enhance the prior assignment by doing the following

1) Move all the functions into

2) Use import to include Mylib into the code

3) Test the code and make sure that the prior code is still working

4) Add the following function into  Mylib


    p1 will be a string like this “N1, N2, operator”



    the result will be 600



    the result will be 70

scalc(“50,20,-“)    the result will be 30


    the result will be 30

use string functions to parse the first number, the second number, and the operator from the input string.
use the prior functions (add, subtract, divide and multiply ) to do the calculations.

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