Answered: Write a program in Python, in which the…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

Write a program in Python, in which the user can enter any number of positive and negative integer values, and then we display the total number of positive values entered and the total number of negative values entered. We are going to use a sentinel value (also known as a flag value) to control the loop. If the user wants to quit counting up positive and negative numbers, the user will enter a (q). The first line should print out a title that says something like “Practice 4: Counting the number of positive and negative values entered by the user”.

Counting the number of positive and negative values entered by the user!
Please enter first number (enter q to quit): 5
Please enter next number (enter q to quit): 4
Please enter next number (enter q to quit): -2
Please enter next number (enter q to quit): 0
Please enter next number (enter q to quit): -1
Please enter next number (enter q to quit): 100
Please enter next number (enter q to quit): q
Number of positive values entered:
3
Number of negative values entered:
2

Expert Solution

Python Program

print("Counting the number of positive and negative values entered by the user!\n")

positive = 0
negative = 0

num = input("Please enter the first number (enter q to quit): ")

while True:
if num == 'q':
break
elif int(num) < 0:
negative += 1
elif int(num) > 0:
positive += 1

num = input("Please enter next number (enter q to quit): ")

print("\nNumber of positive values entered:", positive)
print("Number of negative values entered:", negative)