From e141725e45541d484716b1d4ad9651ee60a83055 Mon Sep 17 00:00:00 2001
From: DIGVIJAYGOWDA <rdigvijaygowda05@gmail.com>
Date: Tue, 18 Aug 2026 12:21:30 +0530
Subject: [PATCH] Add expense tracker project

---
 Expense-Tracker/README.md          |  34 ++++++++
 Expense-Tracker/expense_tracker.py | 133 +++++++++++++++++++++++++++++
 Expense-Tracker/expenses.json      |   1 +
 3 files changed, 168 insertions(+)
 create mode 100644 Expense-Tracker/README.md
 create mode 100644 Expense-Tracker/expense_tracker.py
 create mode 100644 Expense-Tracker/expenses.json

diff --git a/Expense-Tracker/README.md b/Expense-Tracker/README.md
new file mode 100644
index 00000000..8aa1e038
--- /dev/null
+++ b/Expense-Tracker/README.md
@@ -0,0 +1,34 @@
+# Expense Tracker
+
+A simple command-line expense tracker built with Python.
+
+## Features
+
+- Add expenses
+- View all expenses
+- Calculate total expenses
+- Delete expenses
+- Save expenses using JSON
+- Load previous expenses when the program starts
+
+## Requirements
+
+- Python 3.x
+
+## How to Run
+
+Navigate to the `Expense-Tracker` directory and run:
+
+```bash
+python expense_tracker.py
+
+## if the python command is not recognised on your system, you can use the Python launcher instead:
+
+py expense_tracker.py
+
+
+##you can also check whether the python is installed or not using:
+py --version
+
+
+##About Data storage expenses are stored locally in expenses.json. The file is automatiocally updated whenever an expense is added or deleted.
diff --git a/Expense-Tracker/expense_tracker.py b/Expense-Tracker/expense_tracker.py
new file mode 100644
index 00000000..e3d57529
--- /dev/null
+++ b/Expense-Tracker/expense_tracker.py
@@ -0,0 +1,133 @@
+import json
+
+FILE_NAME = "expenses.json"
+
+
+def load_expenses():
+    try:
+        with open(FILE_NAME, "r") as file:
+            return json.load(file)
+    except (FileNotFoundError, json.JSONDecodeError):
+        return []
+
+
+def save_expenses():
+    with open(FILE_NAME, "w") as file:
+        json.dump(expenses, file, indent=4)
+
+
+def add_expense():
+    while True:
+        try:
+            amount = float(input("Enter amount: "))
+
+            if amount <= 0:
+                print("Amount must be greater than 0.")
+                continue
+
+            break
+
+        except ValueError:
+            print("Please enter a valid number.")
+
+    category = input("Enter category: ").strip()
+    description = input("Enter description: ").strip()
+
+    expense = {
+        "amount": amount,
+        "category": category,
+        "description": description
+    }
+
+    expenses.append(expense)
+    save_expenses()
+
+    print("Expense added successfully!")
+
+
+def view_expenses():
+    if not expenses:
+        print("No expenses recorded.")
+        return
+
+    print("\n--- Expenses ---")
+
+    for index, expense in enumerate(expenses, start=1):
+        print(
+            f"{index}. "
+            f"₹{expense['amount']:.2f} | "
+            f"{expense['category']} | "
+            f"{expense['description']}"
+        )
+
+
+def view_total():
+    total = sum(expense["amount"] for expense in expenses)
+    print(f"\nTotal Expenses: ₹{total:.2f}")
+
+
+def delete_expense():
+    if not expenses:
+        print("No expenses to delete.")
+        return
+
+    view_expenses()
+
+    while True:
+        try:
+            choice = int(input("Enter expense number to delete: "))
+
+            if 1 <= choice <= len(expenses):
+                deleted_expense = expenses.pop(choice - 1)
+                save_expenses()
+
+                print(
+                    f"Deleted: {deleted_expense['category']} - "
+                    f"₹{deleted_expense['amount']:.2f}"
+                )
+                break
+
+            print("Invalid expense number.")
+
+        except ValueError:
+            print("Please enter a valid number.")
+
+
+def main():
+    global expenses
+
+    expenses = load_expenses()
+
+    while True:
+        print("\n===== Expense Tracker =====")
+        print("1. Add Expense")
+        print("2. View Expenses")
+        print("3. View Total")
+        print("4. Delete Expense")
+        print("5. Exit")
+
+        choice = input("Enter your choice: ").strip()
+
+        if choice == "1":
+            add_expense()
+
+        elif choice == "2":
+            view_expenses()
+
+        elif choice == "3":
+            view_total()
+
+        elif choice == "4":
+            delete_expense()
+
+        elif choice == "5":
+            print("Goodbye!")
+            break
+
+        else:
+            print("Invalid choice. Please select 1-5.")
+
+
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/Expense-Tracker/expenses.json b/Expense-Tracker/expenses.json
new file mode 100644
index 00000000..0637a088
--- /dev/null
+++ b/Expense-Tracker/expenses.json
@@ -0,0 +1 @@
+[]
\ No newline at end of file