community member and leaders please help me.visit my code and u will understand my problem.please please answer in all pos. way

Question

https://code.sololearn.com/cnIoAeUJ5o8p/?ref=app

Answer 1

You hadn't initialized the variable "operation"

Answer 2

if operation < 100:

This is the first statement where operation variable is used .

Can you tell me here at initial stage what value does operation variable contain and if It dosent contains anything what are you comparing then .

Try to fix this .
I hope you got it now

Answer 3

ok i=will see it and after that i will inbox u thanks

Answer 4

means can u explain me sir