PYTHON: Given a main program that searches for the ID or the name of a student from a dictionary, complete the find_ID() and the find_name() functions that return the corresponding information of a student. Then, insert a try/except statement in main() to catch any exceptions thrown by find_ID() or find_name(), and output the exception message. Each entry of the dictionary contains the name (key) and the ID (value) of a student. Function find_ID() takes two parameters, a student's name and a dictionary. Function find_ID() returns the ID associated with the student's name if the name is in the dictionary. Otherwise, the function throws a custom exception type, StudentInfoError, with the message "Student ID not found for studentName", where studentName is the name of the student. Function find_name() takes two parameters, a student's ID and a dictionary. Function find_name() returns the name associated with the student's ID if the ID is in the dictionary. Otherwise, the function throws a custom exception type, StudentInfoError, with the message "Student name not found for studentID", where studentID is the ID of the student. The main program takes two inputs from a user: a user choice of finding the ID or the name of a student (int), and the ID or the name of a student (string). If the user choice is 0, find_ID() is invoked with the student's name as one of the arguments. If the user choice is 1, find_name() is invoked with the student's ID as one of the arguments. The main program finally outputs the result of the search or a message if an exception is caught. Note: StudentInfoError is defined in the program as a custom exception type. StudentInfoError has an attribute to store an exception message. Ex: If the input of the program is: 0 Reagan and the contents of dictionary are: 'Reagan' : 'rebradshaw835', 'Ryley' : 'rbarber894', 'Peyton' : 'pstott885', 'Tyrese' : 'tmayo945', 'Caius' : 'ccharlton329' the output of the program is: rebradshaw835 Ex: If the input of the program is: 0 Mcauley the program outputs an exception message: Student ID not found for Mcauley Ex: If the input of the program is: 1 rebradshaw835 the output of the program is: Reagan Ex: If the input of the program is: 1 mpreston272 the program outputs an exception message: Student name not found for mpreston272

PYTHON: Given a main program that searches for the ID or the name of a student from a dictionary, complete the find_ID() and the find_name() functions that return the corresponding information of a student. Then, insert a try/except statement in main() to catch any exceptions thrown by find_ID() or find_name(), and output the exception message. Each entry of the dictionary contains the name (key) and the ID (value) of a student. Function find_ID() takes two parameters, a student's name and a dictionary. Function find_ID() returns the ID associated with the student's name if the name is in the dictionary. Otherwise, the function throws a custom exception type, StudentInfoError, with the message "Student ID not found for studentName", where studentName is the name of the student. Function find_name() takes two parameters, a student's ID and a dictionary. Function find_name() returns the name associated with the student's ID if the ID is in the dictionary. Otherwise, the function throws a custom exception type, StudentInfoError, with the message "Student name not found for studentID", where studentID is the ID of the student. The main program takes two inputs from a user: a user choice of finding the ID or the name of a student (int), and the ID or the name of a student (string). If the user choice is 0, find_ID() is invoked with the student's name as one of the arguments. If the user choice is 1, find_name() is invoked with the student's ID as one of the arguments. The main program finally outputs the result of the search or a message if an exception is caught. Note: StudentInfoError is defined in the program as a custom exception type. StudentInfoError has an attribute to store an exception message. Ex: If the input of the program is: 0 Reagan and the contents of dictionary are: 'Reagan' : 'rebradshaw835', 'Ryley' : 'rbarber894', 'Peyton' : 'pstott885', 'Tyrese' : 'tmayo945', 'Caius' : 'ccharlton329' the output of the program is: rebradshaw835 Ex: If the input of the program is: 0 Mcauley the program outputs an exception message: Student ID not found for Mcauley Ex: If the input of the program is: 1 rebradshaw835 the output of the program is: Reagan Ex: If the input of the program is: 1 mpreston272 the program outputs an exception message: Student name not found for mpreston272

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

Problem 1PE

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Question

PYTHON:

Given a main program that searches for the ID or the name of a student from a dictionary, complete the find_ID() and the find_name() functions that return the corresponding information of a student. Then, insert a try/except statement in main() to catch any exceptions thrown by find_ID() or find_name(), and output the exception message. Each entry of the dictionary contains the name (key) and the ID (value) of a student.

Function find_ID() takes two parameters, a student's name and a dictionary. Function find_ID() returns the ID associated with the student's name if the name is in the dictionary. Otherwise, the function throws a custom exception type, StudentInfoError, with the message "Student ID not found for studentName", where studentName is the name of the student.

Function find_name() takes two parameters, a student's ID and a dictionary. Function find_name() returns the name associated with the student's ID if the ID is in the dictionary. Otherwise, the function throws a custom exception type, StudentInfoError, with the message "Student name not found for studentID", where studentID is the ID of the student.

The main program takes two inputs from a user: a user choice of finding the ID or the name of a student (int), and the ID or the name of a student (string). If the user choice is 0, find_ID() is invoked with the student's name as one of the arguments. If the user choice is 1, find_name() is invoked with the student's ID as one of the arguments. The main program finally outputs the result of the search or a message if an exception is caught.

Note: StudentInfoError is defined in the program as a custom exception type. StudentInfoError has an attribute to store an exception message.

Ex: If the input of the program is:

0 Reagan

and the contents of dictionary are:

'Reagan' : 'rebradshaw835', 'Ryley' : 'rbarber894', 'Peyton' : 'pstott885', 'Tyrese' : 'tmayo945', 'Caius' : 'ccharlton329'

the output of the program is:

rebradshaw835

Ex: If the input of the program is:

0 Mcauley

the program outputs an exception message:

Student ID not found for Mcauley

Ex: If the input of the program is:

1 rebradshaw835

the output of the program is:

Reagan

Ex: If the input of the program is:

1 mpreston272

the program outputs an exception message:

Student name not found for mpreston272

1 # Define custom exception
2 class StudentInfoError(Exception):
def _init_(self, message):
self.message = message
3
4
# Initialize the exception message
5
6.
7 def find_ID(name, info):
# Type your code here.
8
10
11 def find_name(ID, info):
# Type your code here.
12
13
14
15 if
name
_main_
':
# Dictionary of student names and IDs
student_info
'Reagan' : 'rebradshaw835',
'Ryley' : 'rbarber894'
'Peyton' : 'pstott885',
'Tyrese' : 'tmayo945',
"Caius' : 'ccharlton329'
}
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17
{
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userChoice = input()
# Read search option from user. 0: find_ID(), 1: find_name()
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# FIXME: find_ID() and find_name() may throw an Exception.
28
Insert a try/except statement to catch the exception and output any exception message.
29
if userChoice == "0":
name = input()
result = find_ID(name, student_info)
else:
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ID = input ()
result = find_name (ID, student_info)
print(result)
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35

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