Create Code.md

Author: saqib777

Expense-Tracker/Code.md

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+```
+"""
+Expense Tracker - Simple Console App
+--------------------------------------
+A small Python project to record daily expenses.
+Data is saved to a CSV file so that it persists between runs.
+
+Concepts used:
+- File handling (read/write)
+- Loops and conditionals
+- Dictionaries
+- Basic input validation
+"""
+
+import csv
+import os
+
+# The file where expenses will be saved
+FILENAME = "expenses.csv"
+
+
+def initialize_file():
+    """Creates the CSV file if it doesn't exist."""
+    if not os.path.exists(FILENAME):
+        with open(FILENAME, mode="w", newline="") as file:
+            writer = csv.writer(file)
+            writer.writerow(["Category", "Description", "Amount"])
+        print(f"Created new file: {FILENAME}\n")
+
+
+def add_expense():
+    """Adds a new expense entry."""
+    category = input("Enter category (e.g., Food, Travel, Bills): ").strip()
+    description = input("Enter short description: ").strip()
+    try:
+        amount = float(input("Enter amount spent (in ₹): "))
+    except ValueError:
+        print("Invalid amount. Please enter a number.\n")
+        return
+
+    with open(FILENAME, mode="a", newline="") as file:
+        writer = csv.writer(file)
+        writer.writerow([category, description, amount])
+
+    print("Expense added successfully!\n")
+
+
+def view_expenses():
+    """Displays all recorded expenses."""
+    if not os.path.exists(FILENAME):
+        print("No expenses recorded yet.\n")
+        return
+
+    print("\n--- Expense Records ---")
+    with open(FILENAME, mode="r") as file:
+        reader = csv.reader(file)
+        next(reader)  # Skip header
+        total = 0
+        count = 0
+        for row in reader:
+            if len(row) == 3:
+                print(f"{row[0]:<10} | {row[1]:<20} | ₹{row[2]}")
+                total += float(row[2])
+                count += 1
+        print(f"\nTotal entries: {count}")
+        print(f"Total spent: ₹{total:.2f}\n")
+
+
+def clear_expenses():
+    """Deletes all data from the CSV file."""
+    confirm = input("Are you sure you want to delete all expenses? (y/n): ").lower()
+    if confirm == "y":
+        with open(FILENAME, mode="w", newline="") as file:
+            writer = csv.writer(file)
+            writer.writerow(["Category", "Description", "Amount"])
+        print("All expense records cleared.\n")
+    else:
+        print("Operation cancelled.\n")
+
+
+def main():
+    """Main program loop."""
+    initialize_file()
+
+    while True:
+        print("""
+===== EXPENSE TRACKER =====
+1. Add Expense
+2. View Expenses
+3. Clear All Expenses
+4. Exit
+============================
+""")
+        choice = input("Choose an option (1-4): ").strip()
+
+        if choice == "1":
+            add_expense()
+        elif choice == "2":
+            view_expenses()
+        elif choice == "3":
+            clear_expenses()
+        elif choice == "4":
+            print("Goodbye! Stay mindful of your spending.")
+            break
+        else:
+            print("Invalid choice. Please select a valid option.\n")
+
+
+if __name__ == "__main__":
+    main()
+```