Primary 0.S. interstate nighways are numbered 1-99. Odd numbers (like the 5 or 95) go north/soutn, and evens (IIke the TU or 9U) go east/west Auxiliary highways are numbered 100-999, and service the primary highway indicated by the rightmost two digits. Thus, -405 services -5, and 1-290 services l-90. Note: 200 is not a valid auxiliary highway because 00 is not a valid primary highway number. Given a highway number, indicate whether it is a primary or auxiliary highway. If auxiliary, indicate what primary highway it serves. Also indicate if the (primary) highway runs north/south or east/west Ex: If the input is: 90 the output is: I-90 is primary, going east/west.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Primary U.S. interstate highways are numbered 1-99. Odd numbers (like the 5 or 95) go north/south, and evens (like the 10 or 90) go
east/west. Auxiliary highways are numbered 100-999, and service the primary highway indicated by the rightmost two digits. Thus, l-405
services l-5, and 1-290 services l-90. Note: 200 is not a valid auxiliary highway because 00 is not a valid primary highway number.
Given a highway number, indicate whether it is a primary or auxiliary highway. If auxiliary, indicate what primary highway it serves. Also
indicate if the (primary) highway runs north/south or east/west.
Ex: If the input is:
90
the output is:
I-90 is primary, going east/west.
Ex: If the input is:
290
the output is:
I-290 is auxiliary, serving I-90, going east/west.
Ex: If the input is:
the output is:
O is not a valid interstate highway number.
Ex: If the input is:
200
the output is:
200 is not a valid interstate highway number.
Transcribed Image Text:Primary U.S. interstate highways are numbered 1-99. Odd numbers (like the 5 or 95) go north/south, and evens (like the 10 or 90) go east/west. Auxiliary highways are numbered 100-999, and service the primary highway indicated by the rightmost two digits. Thus, l-405 services l-5, and 1-290 services l-90. Note: 200 is not a valid auxiliary highway because 00 is not a valid primary highway number. Given a highway number, indicate whether it is a primary or auxiliary highway. If auxiliary, indicate what primary highway it serves. Also indicate if the (primary) highway runs north/south or east/west. Ex: If the input is: 90 the output is: I-90 is primary, going east/west. Ex: If the input is: 290 the output is: I-290 is auxiliary, serving I-90, going east/west. Ex: If the input is: the output is: O is not a valid interstate highway number. Ex: If the input is: 200 the output is: 200 is not a valid interstate highway number.
Expert Solution
Step 1

Code :

-------------------------

number = int(input())

if(number <= 0 or number > 999):
    print("{} is not a valid interstate highway number.".format(number))
elif(number%2 == 0):
    if(number<100):
        print("I-{} is primary, going east/west.".format(number))
    else:
        if(number%100 == 0):
            print("{} is not a valid auxiliary highway number.".format(number))
        else:
            print("I-{} is auxiliary, serving I-{}, going east/west.".format(number,number%100))
else:
    if(number<100):
        print("I-{} is primary, going north/south.".format(number))
    else:
        print("I-{} is auxiliary, serving I-{}, going north/south.".format(number,number%100))

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