python -04-个人所得税

"""
编写一个程序计算个人所得税（以下为个人所得税税率表，3500元起征）：

应纳税所得额(含税)                        税率(%)
不超过1500元的                              3
超过1500元至4,500元的部分                   10
超过4,500元至9,000元的部分                  20
超过9,000元至35,000元的部分                 25
超过35,000元至55,000元的部分                30
超过55,000元至80,000元的部分                35
超过80,000元的部分                          45
"""

这到题目有难度

salary = input("输入您的月薪:")
temp = int(salary) - 3500
if temp <= 0:
 print("elif 0 < temp < 1500:您的月薪为%d元不需要纳税"%int(salary))
elif 0 < temp <= 1500:
 tax = temp*0.03
elif 1500 < temp <= 4500:
 tax = (temp - 1500)*0.1 + 45    
 #1500*0.03
elif 4500 < temp <= 9000:
 tax = (temp - 4500)*0.2 + 345   
 #1500*0.03+(4500-1500)*0.1
elif 9000 < temp <= 35000:
 tax = (temp - 9000)*0.25 + 1245 
 #1500*0.03+(4500-1500)*0.1+(9000-4500)*0.2
elif 35000 < temp <= 55000:
 tax = (temp - 35000)*0.3 + 7745 
 #1500*0.03+(4500-1500)*0.1+(9000-4500)*0.2+(35000-9000)*0.25
elif 55000 < temp <= 80000:
 tax = (temp - 55000)*0.35 + 13745   
 #1500*0.03+(4500-1500)*0.1+(9000-4500)*0.2+(35000-9000)*0.25+(55000-35000)*0.3
elif temp > 80000:
 tax = (temp - 80000)*0.45 + 22495   
 #1500*0.03+(4500-1500)*0.1+(9000-4500)*0.2+(35000-9000)*0.25+(55000-35000)*0.3+(80000-55000)*0.35
print("您的月薪为%d元,应纳税额%d元"%(int(salary),tax))