关于#python#的问题：个人所得税计算器

问题遇到的现象和发生背景

python个人所得税计算器

用代码块功能插入代码，请勿粘贴截图

我想要达到的结果

WagesPayable , Insurance , ExemptionAmount = 0.00, 0.00, 0.00
try:
    WagesPayable = eval(input("请输入应发工资："))
    Insurance = eval(input("请输入五险一金："))
    ExemptionAmount = eval(input("请输入个免税证额："))
except NameError:
    print("Error:NameError!")
    print("输入有误")
else:
    if WagesPayable <= 0 or Insurance <= 0 or ExemptionAmount <= 0:
        print("error")
    Taxes = 0.00
    Num = WagesPayable - Insurance - ExemptionAmount
    if Num > 0 and Num <= 3000:
        Taxes = Num * 0.03
    elif Num > 3000 and Num<= 12000:
        Taxes = Num * 0.10 - 210
    elif Num > 12000 and Num <= 25000:
        Taxes = Num * 0.20 -1410
    elif Num > 25000 and Num <= 35000:
        Taxes = Num * 0.25 - 2660
    elif Num > 35000 and Num <= 55000:
        Taxes = Num * 0.30 - 4410
    elif Num > 55000 and Num <= 80000:
        Taxes = Num * 0.35 - 7160
    elif Num > 80000:
        Taxes = Num * 0.45 - 15160
    Salary = WagesPayable - Insurance - Taxes;
print('应交税款 {:.2f} 元， 实发工资 {:.2f} 元'.format(Taxes,Salary))

def income_tax():
        salary = float(input("请输入应发工资薪金金额："))
        if salary<=0:
                print("error")
                return
        insurance_fund = float(input("请输入五险一金金额："))
        if salary<=0:
                print("error")
                return
        exemption = float(input("请输入个税免征额："))
        if salary<=0:
                print("error")
                return
        tax = max(0,(salary-insurance_fund-exemption))
        if tax<=3000:
                tax*=0.03
        elif tax<=12000:
                tax=tax*0.1-210
        elif tax<=25000:
                tax=tax*0.2-1410
        elif tax<=35000:
                tax=tax*0.25-2660
        elif tax<=55000:
                tax=tax*0.3-4410
        elif tax<=80000:
                tax=tax*0.35-7160
        else:
                tax=tax*0.45-15160
        res = salary-insurance_fund-tax
        print(f"应缴税款{tax:.2f}元，实发工资{res:.2f}元。")

if __name__ == '__main__':
        income_tax()