Product Billing System This Python program a product billing system where users can add products, apply discounts, and calculate bills based on data

Requirements:

Install Python 3

Run the Program

python Program.py

Output

==============All Products============ NAME Unit Price Special Price A 50 3 for 130 B 30 2 for 45 C 20
D 15

=============Select Option============ ============ 1. Add New Product ====== =============2. Buy Product ========== ============ 3. List Products ======== ============ 4. Exit ================= Enter Choice: 2 Enter Product Name: AAA Total Price: 130 =============Select Option============ ============ 1. Add New Product ====== =============2. Buy Product ========== ============ 3. List Products ======== ============ 4. Exit ================= Enter Choice: 2 Enter Product Name: AB Total Price: 80 =============Select Option============ ============ 1. Add New Product ====== =============2. Buy Product ========== ============ 3. List Products ======== ============ 4. Exit ================= Enter Choice: 2 Enter Product Name: CDBA Total Price: 115 =============Select Option============ ============ 1. Add New Product ====== =============2. Buy Product ========== ============ 3. List Products ======== ============ 4. Exit ================= Enter Choice: 2 Enter Product Name: AAAAAA Total Price: 260 =============Select Option============ ============ 1. Add New Product ====== =============2. Buy Product ========== ============ 3. List Products ======== ============ 4. Exit ================= Enter Choice: 2 Enter Product Name: DABABA Total Price: 190 =============Select Option============ ============ 1. Add New Product ====== =============2. Buy Product ========== ============ 3. List Products ======== ============ 4. Exit =================