Introduction Retail billing is a repetitive and essential task in any point-of-sale (POS) environment. Manual billing is time-consuming, error-prone, and difficult to manage, especially during peak ...
my_cursor.execute("create table if not exists stationary(item_name VARCHAR(20) not null unique, item_price INTEGER(10), item_quantity INTEGER(10), item_category ...
In any Tkinter program, the first thing you need is a window. This window will act as a container for your app. This line brings the Tkinter library into your program. We give it the nickname tk so we ...
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