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💰 Build a Simple Payment App in Python (OOP Project)

Short Description: Learn how to build a simple Payment App in Python using OOP. Send, add, and check balance in this beginner-friendly console project.

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🧩 Introduction

Welcome to another 6-Minute Python Project from DomeBytes!
In this tutorial, you’ll learn how to create a simple payment application using Object-Oriented Programming (OOP) in Python.
This beginner-friendly project helps you understand classes, methods, and real-world coding logic through a fun console-based banking system.

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🧠 What You’ll Learn

• Using classes and objects in Python
• Building an interactive text-based menu
• Managing user balances with methods like add_money(), send_money(), and show_balance()

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🧾 Full Python Code

print("💰 Welcome to PythonPay - Simple Payment App 💰")

class User:
    def __init__(self, name, balance=0):
        self.name = name
        self.balance = balance

    def show_balance(self):
        print(f"\n💳 {self.name}'s Balance: ₹{self.balance}")

    def add_money(self, amount):
        if amount > 0:
            self.balance += amount
            print(f"✅ ₹{amount} added successfully!")
        else:
            print("❌ Invalid amount!")

    def send_money(self, receiver, amount):
        if amount <= 0:
            print("❌ Invalid amount!")
        elif self.balance < amount:
            print("⚠️ Insufficient balance!")
        else:
            self.balance -= amount
            receiver.balance += amount
            print(f"✅ Sent ₹{amount} to {receiver.name}")

user1 = User("Amal", 500)
user2 = User("Rahul", 300)

def menu():
    print("\n1️⃣ Show Balance\n2️⃣ Add Money\n3️⃣ Send Money\n4️⃣ Exit")

while True:
    menu()
    choice = input("Select an option: ")

    if choice == '1':
        user1.show_balance()
    elif choice == '2':
        amt = int(input("Enter amount to add: ₹"))
        user1.add_money(amt)
    elif choice == '3':
        amt = int(input(f"Enter amount to send to {user2.name}: ₹"))
        user1.send_money(user2, amt)
    elif choice == '4':
        print("👋 Thank you for using PythonPay!")
        break
    else:
        print("❌ Invalid option, try again!")

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⚙️ How It Works

1. Create two users (Amal and Rahul) with starting balances.
2. Use a menu system to perform actions:
   • Check your balance
   • Add money
   • Send money to another user
3. OOP methods handle all transactions cleanly with printed confirmations.

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🎥 Watch Tutorial

Watch the full 2-minute Python tutorial below 👇

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❓ FAQ

Q1: Can I add more users?
✅ Yes! Just create more objects like user3 = User("Anu", 1000).

Q2: Does it work in mobile IDEs (like Pydroid3)?
✅ Absolutely — this is a text-based console project and runs perfectly.

Q3: How to restart after Exit?
🔁 Just rerun the Python file in your IDE or terminal.

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📢 Tags / SEO Keywords

python payment app, oop python project, python mini project, 2 minute python coding, domebytes, python console app, python for beginners, python practice project

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🔗 Promote

📖 Read more awesome Python projects at www.domebytes.com
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