编辑代码

bool(None)
print(bool(None),bool(0),bool(int),bool(1))
print(Ture and print(1))
print(1 and print(2))
print(4 or print(5))

x=float(input('x='))
y=0
if x>1:
    y=3*x+3
elif x>-1:
y=2*x-1
else:
    y=x+2
print(f'f(x)={y})


a='='*10
b="个人所得税自动计算器"
print(a,b,a)
wages=eval(input('请输入您本年的综合收入额'))
sip=eval(input('请输入您的本年工资中各项扣除总额'))
exemption=60000
t_income=wages-exemption-sip
if t_income>0:
   print('纳税光荣，您本年获得纳税资格')
   if t_income<=36000
     t_rate=0.03
     quick_d=0
   elif 36000<t_income<=144000:
      t_rate=0.1
      quick_d=2520
   elif 144000<t_income<=300000:
      t_rate=0.2
      quick_d=16920
   elif 300000<t_income:
     t_rate=0.25
     quick_d=31920
   per_tax=t_income* t_rate- quick_d
   print(f'您当年的应纳税所得额为:(t-income)元,应预缴个人所得税为：(per_tax:,2f)元。')
else:
     print('争取下年获得纳税资格。')