Arguments without quotes

#!/usr/bin/python3
import math
import operator


def get_truth(firstnum, op, secondnum):
    rel_ops = {
        '+': operator.add,
        '-': operator.sub,
        '*': operator.mul,
        '/': operator.truediv,
        '//': operator.floordiv,
        'operator.add': operator.add,
        'operator.sub': operator.sub,
        'operator.mul': operator.mul,
        'operator.truediv': operator.truediv,
        'operator.floordiv': operator.floordiv,
        '>': operator.gt,
        '<': operator.lt,
        '>=': operator.ge,
        '<=': operator.le,
        '==': operator.eq,
        '!=': operator.ne,
        'operator.gt': operator.gt,
        'operator.lt': operator.lt,
        'operator.ge': operator.ge,
        'operator.le': operator.le,
        'operator.eq': operator.eq,
        'operator.ne': operator.ne
    }
    return rel_ops[op](firstnum, secondnum);


def get_truthWQ(firstnumWQ=0, op=0, secondnumWQ=0):
    return op(firstnumWQ, secondnumWQ);


def math_func(firstnum=0, operand=0, secondnum=0):
    if operand == '*':
        print(firstnum, '*', secondnum, '=', firstnum * secondnum)
        return;
    elif operand == '/':
        result = firstnum / secondnum
        if result - int(result) == 0:
            print(firstnum, '/', secondnum, '=', int(result))
        else:
            print(firstnum, '/', secondnum, '=', "{:.4f}".format(result))
        return;
    elif operand == '+':
        result = firstnum + secondnum
        print(firstnum, '+', secondnum, '=', result)
        return;
    elif operand == '-':
        result = firstnum - secondnum
        print(firstnum, '-', secondnum, '=', result)
        return;
    elif operand == 'sqroot':
        result = math.sqrt(firstnum)
        if result - int(result) == 0:
            print('square root of', firstnum, '=', int(result))
        else:
            print('square root of', firstnum, '=', "{:.4f}".format(result))
        return;
    elif operand == 'powerof':
        from fractions import Fraction
        result = math.pow(firstnum, secondnum)
        # if the result returns an integer, it will only print the integer, else it will print 2 decimal places
        # This also prints the fractional value not the decimal
        if result - int(result) == 0:
            print(firstnum, 'raised to the power of', Fraction(secondnum).limit_denominator(100), '=', int(result)
                  )
        else:
            print(firstnum, 'raised to the power of', Fraction(secondnum).limit_denominator(100),
                  '=', "{:.2f}".format(result))
        return;
    elif operand == 'fact':
        result = math.factorial(firstnum)
        print(firstnum, '! is =', result)
        return;
    elif operand == 'circarea':
        result = math.pi * firstnum ** 2
        print('area of circle with radius of', firstnum, 'is', "{:.4f}".format(result))
        return;
    elif operand == 'circcircum':
        result = math.pi * 2 + firstnum
        print('circumference of circle with radius of', firstnum, 'is', "{:.4f}".format(result))
        return;
    elif firstnum == operand == secondnum == 0:
        print('you forgot the all the inputs')
        return;
    elif operand == secondnum == 0:
        print('you forgot the operand')
        return;