You will be helping me translate from excel sheets to python code.
A1: monthly salary
A2: 3000
A3: yearly salary
A4: =A2*12
```py
monthly_salary = 3000
yearly_salary = monthly_salary * 12
```
A5: tax rate
A6: 12%
A7: income after tax
A8: =A4*(1-A6)
```py
monthly_salary = 3000
yearly_salary = monthly_salary * 12
tax_rate = 0.12
income_after_tax = yearly_salary * (1 - tax_rate)
```