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Sample personal income tax calculator implemented by Python

  • 2020-10-31 21:50:09
  • OfStack

This article illustrates the personal income tax calculator implemented by Python. To share for your reference, the details are as follows: 


# -*- coding: utf-8 -*-
"""
Created on Sat Apr 15 17:55:54 2017
@author: Administrator
"""
#!/bin/env python
# author: zhouhh
# email: ablozhou@gmail.com
# money.py
def money(all_salary,has_welfare,has_housing_fund):
 money = all_salary
 bj_average_salary=3322;#in 2008 using average salary of year 2007
 min = bj_average_salary*0.6
 max = bj_average_salary*3
 welfare_fund = all_salary
 if all_salary > max:
  welfare_fund = max
 if all_salary < min:
  welfare_fund = min
 print("total money=%.2f"%all_salary)
 medical_fund=welfare_fund*0.02+3
 retire_fund=welfare_fund*0.08
 unemploy_fund =welfare_fund*0.005
 if not has_welfare:
  welfare_fund = 0
  medical_fund=0
  retire_fund=0
  unemploy_fund =0
 else:
  print("medical fund = %d*0.02+3=%.2f"%(welfare_fund,medical_fund) )
  print("retirement fund = %d*0.08 =%.2f"%(welfare_fund,retire_fund) )
  print("unemployment fund = %d*0.005=%.2f"%(welfare_fund,unemploy_fund ))
 housing_fund=welfare_fund*0.12
 if not has_housing_fund:
  housing_fund = 0
 else:
  print("housing fund = %d*0.12=%.2f"%(welfare_fund,housing_fund))
 all_welfare_fund=medical_fund+retire_fund+unemploy_fund +housing_fund
 print("all welfare fund=%.2f"% all_welfare_fund)
 money -=all_welfare_fund
 before_tax = money
 print("before tax money =%.2f"%before_tax )
 if before_tax < 2000 :
  print(" you have no tax,you own money=%.2f"%before_tax)
  return before_tax
  #after 2008.3.1 tax
 l1=500*0.05 #2000-2500, %5
 l2=1500*0.10 #2500-4000 %10    +=25
 l3=3000*0.15 #4000-7000 %0.15   +=175
 l4=15000*0.20 #7000-22000 %20   += 625
 l5=20000*0.25 #22000-42000 %25  +=3625
 l6=20000*0.30 #42000-62000 %30  +=8625
 l7=20000*0.35 #62000-82000 %35  +=14625
 l8=20000*0.40 #82000-102000 %40 +=21625
 l9=0           # +=29625
 money -=2000
 tax=0;
 if money<500:
  l1=money*0.05
  tax=l1
  print("you are in level 1,tax =%.2f, you own money=%.2f"%(tax,(before_tax-tax)))
  return before_tax-tax
 money -= 500
 if money<1500:
  l2=money*0.10
  tax=l1+l2
  print("you are in level 2,tax =%.2f, you own money=%.2f"%(tax,(before_tax-tax)))
  return before_tax-tax
 money -= 1500
 if money<3000:
  l3=money*0.15
  tax=l1+l2+l3
  print("you are in level 3,tax =%.2f, you own money=%.2f"%(tax,(before_tax-tax)))
  return before_tax-tax
 money -= 3000
 if money<15000:
  l4=money*0.20
  tax=l1+l2+l3+l4
  print("you are in level 4,tax =%.2f, you own money=%.2f"%(tax,(before_tax-tax)))
  return before_tax-tax
 money -= 15000
 if money<20000:
  l5=money*0.25
  tax=l1+l2+l3+l4+l5
  print("you are in level 5,tax =%.2f, you own money=%.2f"%(tax,(before_tax-tax)))
  return before_tax-tax
 money -= 20000
 if money<20000:
  l6=money*0.30
  tax=l1+l2+l3+l4+l5+l6
  print("you are in level 6,tax =%.2f, you own money=%.2f"%(tax,(before_tax-tax)))
  return before_tax-tax
 money -= 20000
 if money<20000:
  l7=money*0.35
  tax=l1+l2+l3+l4+l5+l6+l7
  print("you are in level 7,tax =%.2f, you own money=%.2f"%(tax,(before_tax-tax)))
  return before_tax-tax
 money -= 20000
 if money<20000:
  l8=money*0.40
  tax=l1+l2+l3+l4+l5+l6+l7+l8
  print("you are in level 8,tax =%.2f, you own money=%.2f"%(tax,(before_tax-tax)))
  return before_tax-tax
 money -= 20000
 l9=money*0.45
 tax=l1+l2+l3+l4+l5+l6+l7+l8+l9
 print("you are in level 9,tax =%.2f, you own money=%.2f"%(tax,(before_tax-tax)))
 return before_tax-tax
money(10000,0,0)

Operation results:

[

total money=10000.00
all welfare fund=0.00
before tax money =10000.00
you are in level 4,tax =1225.00, you own money=8775.00

]

PS: Here are some other online computing tools for your reference:

Online Personal Income Tax Calculator (2008 edition) :
http://tools.ofstack.com/jisuanqi/tax_calc

Online Personal Income Tax Calculation Tool (2011 edition) :
http://tools.ofstack.com/jisuanqi/tax_jisuanqi

Online Bank Mortgage Calculator:
http://tools.ofstack.com/jisuanqi/anjie_calc

Online deposit Calculator:
http://tools.ofstack.com/jisuanqi/cunkuan_calc

Online financial investment calculator:
http://tools.ofstack.com/jisuanqi/touzilicai_calc

Online endowment Insurance Deposit/Endowment planning Calculator:
http://tools.ofstack.com/jisuanqi/yanglao_calc

For more information about Python, please refer to Python Math Skills Summary, Python Data Structure and Algorithm Tutorial, Python Function Skills Summary, Python String Manipulation Skills Summary, Python Introduction and Advanced Classic Tutorial and Python File and Directory Manipulation Skills Summary.

I hope this article is helpful for Python programming.

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