in this gist, I wanted to make some serious things. there is a function called eval() in python. With this function we can enter actual and working python commands in input() function which is going to be executed after pressing enter. so okay as you know there are bunch of hackers! and they might crack our very important program with this eval(…

data_control_eval_result.py

cluster = "0123456789-+/*"

operation = input("please do your math operation\n: ")

for i in operation:
    if i not in cluster:
        print("please work with numbers mr. hacker!")
        break
        

    else:
        break

print(eval(operation))