a python super market management 

Supermarket Management System
User Interface:
Developed using Tkinter, a popular Python GUI library.
The window size is set to 1300x700 pixels with a custom title and icon.
Product Categories:
Three product categories: 'colon a' (Legumes), ' colon b' (Household Items), and 'colon c ' (Electrical Appliances).
Customer Data:
Entry fields for the customer's name, phone number, and automatically generated invoice number.
A "search" (Search) button for customer data retrieval.
Bill Display:
A text area to display the selected products, quantities, and prices.
Separate sections for each product category.
Billing and Calculation:
Calculate the total price for each product category.
Calculate the grand total of all product categories.
Display the totals for 'b', 'a ', and ' c'.
Buttons:
'Calcul' (Calculate): Calculate and display the total prices.
'Export ' (Export Bill): Save the bill details to a file.
'clear ' (Clear Fields): Clear all fields and quantities.
' exit' (Close Program): Exit the application.
Data Saving:
Option to save the bill details to a text file.
Initialization:
The program initializes with a welcome message and an automatically generated invoice number.
Error Handling:
Checks for empty customer fields and non-zero totals before generating the bill.
Customization:
The code is well-structured, making it easy to add more products or functionalities in the future.
Please note that you might need to ensure that the path to the 'logo.ico' file is correct and that all required libraries are installed for this program to work properly. Additionally, there appear to be some indentation issues in your code that should be fixed for proper execution.

Supermarket Management System

User Interface:

Developed using Tkinter, a popular Python GUI library.
The window size is set to 1300x700 pixels with a custom title and icon.
Product Categories:

Three product categories: 'colon a' (Legumes), ' colon b' (Household Items), and 'colon c ' (Electrical Appliances).
Customer Data:

Entry fields for the customer's name, phone number, and automatically generated invoice number.
A "search" (Search) button for customer data retrieval.
Bill Display:

A text area to display the selected products, quantities, and prices.
Separate sections for each product category.
Billing and Calculation:

Calculate the total price for each product category.
Calculate the grand total of all product categories.
Display the totals for 'b', 'a ', and ' c'.
Buttons:

'Calcul' (Calculate): Calculate and display the total prices.
'Export ' (Export Bill): Save the bill details to a file.
'clear ' (Clear Fields): Clear all fields and quantities.
' exit' (Close Program): Exit the application.
Data Saving:

Option to save the bill details to a text file.
Initialization:

The program initializes with a welcome message and an automatically generated invoice number.
Error Handling:

Checks for empty customer fields and non-zero totals before generating the bill.
Customization:

The code is well-structured, making it easy to add more products or functionalities in the future.
Please note that you might need to ensure that the path to the 'logo.ico' file is correct and that all required libraries are installed for this program to work properly. Additionally, there appear to be some indentation issues in your code that should be fixed for proper execution.

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