Exercise 06-10:
Modify Program 6.11 to show how many tickets were sold in each room. Use a list that is the same size as the number of rooms and count the number of tickets sold in each room using its elements as counters. Print the total sales at the end of the program on the screen.
Answer:
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# Python From Scratch
# Author: Nilo Ney Coutinho Menezes
# Editora Novatec (c) 2010-2025 - LogiKraft 2025
# Site: https://pythonfromscratch.com
# ISBN: 978-85-7522-949-1 (Paperback), 978-85-7522-950-7 (hardcover), 978-85-7522-951-4 (ebook)
#
# File: chapter 06/exercise-06-10.py.py
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L = [15, 7, 27, 39]
p = int(input("Enter the value to search for (p):"))
v = int(input("Enter the other value to search for (v):"))
x = 0
foundP = -1 # Here -1 indicates we haven't found the value yet
foundV = -1
first = 0
while x < len(L):
if L[x] == p:
foundP = x
if L[x] == v:
foundV = x
x += 1
if foundP != -1:
print(f"p: {p} found at position {foundP}")
else:
print(f"p: {p} not found")
if foundV != -1:
print(f"v: {v} found at position {foundV}")
else:
print(f"v: {v} not found")
# Check if both were found
if foundP != -1 and foundV != -1:
# since foundP and foundV store the positions where they were found
if foundP <= foundV:
print("p was found before v")
else:
print("v was found before p")