Good night

I have been working in an app for a restaurant, but i am stuck.

The part I am stuck is for getting the repeated digits.

how it works: (two parts)

- Three digits, for the costumer number.
- Four Digits (starts with ‘0.’, when you click on the dot ‘.’), for the dish weight.

https://therestaurantapp.glideapp.io/

PS:: Still working in progress, without functions.