expense_tracker_gui.py

from tkinter import *
from tkinter import messagebox

expenses = []

def add_expense():
    item = item_entry.get()
    amount = amount_entry.get()

    if item == "" or amount == "":
        messagebox.showerror("Error", "Please fill all fields")
        return

    expenses.append([item, float(amount)])

    expense_list.insert(END, f"{item} - ₹{amount}")

    item_entry.delete(0, END)
    amount_entry.delete(0, END)

def show_total():
    total = 0

    for expense in expenses:
        total += expense[1]

    messagebox.showinfo("Total Expense", f"₹{total}")

root = Tk()
root.title("Expense Tracker")
root.geometry("400x400")

Label(root, text="Expense Name").pack()

item_entry = Entry(root)
item_entry.pack()

Label(root, text="Amount").pack()

amount_entry = Entry(root)
amount_entry.pack()

Button(root, text="Add Expense", command=add_expense).pack(pady=5)

Button(root, text="Show Total", command=show_total).pack(pady=5)

expense_list = Listbox(root, width=40)
expense_list.pack(pady=10)

root.mainloop()