tax_calculator.py

def calculate(amount, percent):
    return (amount * percent) / 100


def calculate_income_tax(total_income:float) -> float:

    if total_income <= 250000:
        return 0
    elif total_income <= 500000:
        return calculate(total_income - 250000, 5)
    elif total_income <= 750000:
        return calculate(total_income - 500000, 10) + 12500
    elif total_income <= 1000000:
        return calculate(total_income - 750000, 15) + 37500
    elif total_income <= 1250000:
        return calculate(total_income - 1000000, 20) + 75000
    elif total_income <= 1500000:
        return calculate(total_income - 1250000, 25) + 125000
    else:
        return calculate(total_income - 1500000, 30) + 187500


if __name__ == '__main__':
    try:
        total_income = float(input("Please enter your taxable income (per annum) in India: "))
    except ValueError:
        print("Please enter a valid number")
    tax = calculate_income_tax(total_income)
    print(f"Total tax applicable = ₹{tax}")