**Coin Calculator ** ![SNAG-0523.jpg](/api/files/5db87c8a77188f52156f0b5e/snag-0523.jpeg "SNAG-0523.jpg") This is an example of a program originally written for tkinter. The length is roughly 1/2 the original program. However, it's the readability of the lines that is the more important difference. Note - need to add formatting of the text being output so that it's closer to looking like dollars and cents. This can be done by modifying these 4 lines of code: ```python window['Quarters_total'].update(quarters) window['Dimes_total'].update(dimes) window['Nickels_total'].update(nickels) window['Pennies_total'].update(pennies) ``` Use f-strings insead of the variable names directly as paramters to `update`. It seemed better to keep the code simpler looking than add the formatting.