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P. 433
gift = "Wall Clock"
elif total_cost <= 5000:
discount = 0.10 * total_cost
gift = "School Bag"
elif total_cost <= 10000:
discount = 0.15 * total_cost
gift = "Electric Iron"
else:
discount = 0.20 * total_cost
gift = "Wrist Watch"
# Calculate the amount to be paid after discount
amount_to_be_paid = total_cost - discount
# Display the discount, amount to be paid, and the assured gift with two decimal
places
print(f"Discount: Rs {discount:.2f}")
print(f"Amount to be paid: Rs {amount_to_be_paid:.2f}")
print(f"Assured Gift: {gift}")
Output:
Enter the total cost of the items purchased (in Rs): 5168.50
Discount: Rs 775.27
Amount to be paid: Rs 4393.23
Assured Gift: Electric Iron
6. Write a program that calculates the sum of numbers entered by the user. The loop should continue as long as the
user does not enter a negative number. The loop will exit when a negative number is entered. Display the sum of
the entered numbers.
# Initialize the sum to 0
total_sum = 0
print("Enter numbers to add to the sum. Enter a negative number to stop.")
while True:
# Accept a number from the user
number = int(input("Enter a number: "))
# Check if the number is negative
if number < 0:
break # Exit the loop if a negative number is entered
# Add the number to the total sum
total_sum += number
# Display the total sum
print("The total sum of the entered numbers is:",total_sum)
Output:
Enter numbers to add to the sum. Enter a negative number to stop.
Enter a number: 5
Enter a number: 3
Enter a number: 12
Enter a number: 23
Enter a number: -7
The total sum of the entered numbers is: 43
Practical Questions 431

