Merge pull request #299 from Tark-pea/patch-9

Updated main.py

projects/reciept generator/main.py

@@ -1,48 +1,94 @@
-# NOTE : please import fpdf module before running this program
+# Import the FPDF library for creating PDF documents
 from fpdf import FPDF
 
+# Create an instance of the FPDF class
 pdf = FPDF()
+
+# Add a page to the PDF document
 pdf.add_page()
+
+# Set the font for the text in the PDF
 pdf.set_font("Arial", size=15)
 
-filename = "reciept.txt"
+# Define the filename for the receipt text file
+filename = "receipt.txt"
 
+# Create or clear the content of the receipt text file
 with open(filename, "w") as f:
     a = f.write("")
 
+# Open the receipt text file in append mode
 f = open(filename, "a")
+
+# Write the store name and header to the receipt text file
 f.write("*************************  Template Store  *************************\n\n")
 
+# Initialize variables for calculating the total bill
 sum = 0
 i = 1
+
+# Begin a loop to collect product information and calculate the bill
 while True:
-    productPurchased = input(
-        "Enter the product name (Press q to print the final bill): \n"
-    )
+    # Prompt the user to enter the product name or 'q' to print the final bill
+    productPurchased = input("Enter the product name (Press q to print the final bill): \n")
+
+    # If the user enters 'q', break the loop and proceed to printing the bill
     if productPurchased == "q":
         break
+
+    # Prompt the user to enter the product quantity
     productQuantity = int(input("Enter the product quantity : \n"))
+
+    # Prompt the user to enter the product code
     productCode = input("Enter the product code : \n")
+
+    # Prompt the user to enter the unit price of the product
     productPrice = input("Enter the unit price : \n")
+
+    # If the user did not enter 'q', calculate the total cost of the product and add it to the overall sum
     if productPurchased != "q":
-        sum = sum + (int(productPrice) * productQuantity)
-        billing = f"{i}). \t {productPurchased}  of code  {productCode}  of quantity  \n {productQuantity}  billed  {productPrice}x{productQuantity}units  =  \n \t Rs.{(int(productPrice))*productQuantity}  "
+        sum = sum + (float(productPrice) * productQuantity)
+
+        # Create a string to represent the billing information for the current product
+        billing = f"{i}). \t {productPurchased} of code {productCode}, quantity of {productQuantity} \n billed  {productPrice}x{productQuantity} units  =  \n \t Rs. {(float(productPrice))*productQuantity}  "
+
+        # Write the billing information to the receipt text file
         f.write(billing + "\n")
+
+        # Print the billing information to the console
         print(billing)
+
+        # Increment the counter for the next product
         i += 1
 
-print(f"order total so far Rs.{sum}")
-thanq = (
-    f"\n\n!!! Your bill total is  Rs.{sum} only . Thanks for shopping with us !!!\n\n"
-)
+# Print the total order amount calculated so far
+print(f"order total so far Rs. {sum}")
+
+# Create a string to thank the customer for shopping and display the total bill amount
+thanq = f"\n\n!!! Your bill total is only Rs. {sum}. Thanks for shopping with us !!!\n\n"
+
+# Write the thank-you message to the receipt text file
 f.write(thanq)
+
+# Print the thank-you message to the console
 print(thanq)
 
+# Close the receipt text file after writing all the information
 f.close()
 
-# Generate the bill in pdf format
+# Generate the bill in PDF format
+
+# Open the receipt text file in read mode
 f = open(filename, "r")
+
+# Iterate through each line of the receipt text file
 for x in f:
+    # Add each line of text from the receipt to the PDF document, aligned to the left
     pdf.cell(200, 10, txt=x, ln=1, align="L")
+
+# Save the generated PDF file with the name "billGenerated.pdf"
 pdf.output("billGenerated.pdf")
+
+# Close the receipt text file
 f.close()
+