PBL-MINI-PROJECT

import tkinter as tk from tkinter import messagebox

class ExpenseTracker: def init(self, root): self.root = root self.root.title("Expense Tracker")

    # Initialize variables
    self.expenses = []
    self.total_expense = 0
    self.salary = 0

    # Create GUI elements
    self.expense_label = tk.Label(root, text="Enter Expense:")
    self.expense_entry = tk.Entry(root)
    self.expense_category_label = tk.Label(root, text="Expense Category:")
    self.expense_category_entry = tk.Entry(root)
    self.comment_label = tk.Label(root, text="Comments:")
    self.comment_entry = tk.Entry(root)
    self.add_button = tk.Button(root, text="Add Expense", command=self.add_expense)
    self.salary_label = tk.Label(root, text="Your Salary:")
    self.salary_entry = tk.Entry(root)
    self.calculate_button = tk.Button(root, text="Calculate Total", command=self.calculate_total)
    self.total_label = tk.Label(root, text="Total Expenses: $0")

    # Create a listbox to display expenses
    self.expense_listbox = tk.Listbox(root)
    self.expense_listbox.pack()

    # Layout GUI elements
    self.expense_label.pack()
    self.expense_entry.pack()
    self.expense_category_label.pack()
    self.expense_category_entry.pack()
    self.comment_label.pack()
    self.comment_entry.pack()
    self.add_button.pack()
    self.salary_label.pack()
    self.salary_entry.pack()
    self.calculate_button.pack()
    self.total_label.pack()

def add_expense(self):
    expense = self.expense_entry.get()
    category = self.expense_category_entry.get()
    comment = self.comment_entry.get()
    if expense and category:
        expense_data = {"expense": float(expense), "category": category, "comment": comment}
        self.expenses.append(expense_data)
        formatted_expense = "${:.2f} ({}) : {}".format(float(expense), category, comment)
        self.expense_listbox.insert(tk.END, formatted_expense)
        self.expense_entry.delete(0, 'end')
        self.expense_category_entry.delete(0, 'end')
        self.comment_entry.delete(0, 'end')
    else:
        messagebox.showerror("Error", "Please enter both expense and category.")

def calculate_total(self):
    salary = self.salary_entry.get()
    if salary:
        self.salary = float(salary)
        self.total_expense = sum(expense['expense'] for expense in self.expenses)
        self.total_label.config(text=f"Total Expenses: ${self.total_expense:.2f} (Remaining: ${self.salary - self.total_expense:.2f})")
    else:
        messagebox.showerror("Error", "Please enter your salary.")

if name == "main": root = tk.Tk() app = ExpenseTracker(root) root.mainloop()