#应纳税的钱：税前收入-5000元(起征点)-专项扣除(五险一金等)#工资个税的计算公式为：#个人所得税=应纳税的钱×适用税率-速算扣除数'''1、全月应纳税所得额不超过3000元：税率：3%; 速算扣除数(元)：02、全月应纳税所得额超过3000元至12000元：税率：10%; 速算扣除数(元)：2103、全月应纳税所得额超过12000元至25000元：税率：20%; 速算扣除数(元)：14104、全月应纳税所得额超过25000元至35000元：税率：25%; 速算扣除数(元)：26605、全月应纳税所得额超过35000元至55000元：税率：30%; 速算扣除数(元)：44106、全月应纳税所得额超过55000元至80000元：税率：35%; 速算扣除数(元)：71607、全月应纳税所得额超过80000元：税率：45%; 速算扣除数(元)：15160'''#定义税前工资Tax_salary = int(input("请输入你的工资："))if Tax_salary > 5000:    #应纳税的工资    Taxable_salary = Tax_salary - 5000 - Tax_salary * 0.22    if Taxable_salary <= 3000:        # 个人所得税        Personal_income_taxes = Taxable_salary * 0.03 - 0    elif Taxable_salary > 3000 and Taxable_salary <= 12000:        Personal_income_taxes = Taxable_salary * 0.1 - 210    elif Taxable_salary > 12000 and Taxable_salary <= 25000:        Personal_income_taxes = Taxable_salary * 0.2 - 1410    elif Taxable_salary > 25000 and Taxable_salary <= 35000:        Personal_income_taxes = Taxable_salary * 0.25 - 2660    elif Taxable_salary > 35000 and Taxable_salary <= 55000:        Personal_income_taxes = Taxable_salary * 0.3 - 4410    elif Taxable_salary > 55000 and Taxable_salary <= 80000:        Personal_income_taxes = Taxable_salary * 0.35 - 7160    elif Taxable_salary > 80000:        Personal_income_taxes = Taxable_salary * 0.45 - 15160    #五险一金    Five_one_gold = Tax_salary * 0.22    #实发工资    Net_pay = Tax_salary - Personal_income_taxes - Five_one_gold    print("本月实发工资（税后）为：{}".format(Net_pay))else:    print("本月实发工资（税后）为：{}".format(Tax_salary))

执行结果演示：