assign operator to variable in python?

Question

Usual method of applying mathematics to variables is

a * b

Is it able to calculate and manipulate two operands like this?

Answer 1

You can use the operator module and a dictionary:

import operator
ops = {
    "+": operator.add,
    "-": operator.sub,
    "*": operator.mul,
    "/": operator.div
}   
op_char = input('enter a operand')
op_func = ops[op_char]
result = op_func(a, b)