Question

USE PYTHON-LIST 

Q1 - You need to keep track of book titles. Write code using function(s)
that will allow the user to do the following.


1. Add book titles to the list.
2. Delete book titles anywhere in the list by value.
3. Delete a book by position.
    Note: if you wish to display
    the booklist as a vertical number booklist , that is ok
    (that is also a hint)
4. Insert book titles anywhere in the list.
5. Clear the list (remove all items from the list)
6. Print the list horizontally using sys.stdout.write()
7. Sort the list
8. The user can add, remove, insert, clear, delete, print books as
   much as they wish.

Note:   The person will add or remove books, one book at at a time
        When a book is add, deleted, inserted or sorted the list should
        automatically be printed 

(HINT: a function will make this easy)

###

PYTHON LIST

Answer 1

Program:

import sys #importing sys library
List=[]
def add(ele):
    List.append(ele) #adding elements
    printlist() #printing list
def del_by_val(ele):
    List.remove(ele) #removing element in a list
    printlist() #printing list
def del_by_pos(pos):
    List.pop(pos-1) #deleting elemnt by position
    printlist() #printing list
def insert_anywhere(ele,pos):
    List.insert(pos-1,ele) #inserting element by position
    printlist() #printing list
def clear():
    List.clear() #removing all elemnts in a list
def printlist():
    for i in range(len(List)):
        sys.stdout.write(List[i]+', ')
    sys.stdout.write('\n')
def sort():
    List.sort() #sorting a list
    printlist()
while(1):
    print('''Press
1. Add book titles to the list.
2. Delete book titles anywhere in the list by value.
3. Delete a book by position.
4. Insert book titles anywhere in the list.
5. Clear the list (remove all items from the list)
6. Print the list horizontally using sys.stdout.write()
7. Sort the list
8.Exit''')
    k=int(input())
    if k==1:
        ele=input("Enter book title:")
        add(ele)
    elif k==2:
        val=input("enter book title to delete:")
        del_by_val(val)
    elif k==3:
        pos=int(input("Enter position:"))
        del_by_pos(pos)
    elif k==4:
        pos=int(input("enter position:"))
        ele=input("Enter book title:")
        insert_anywhere(ele,pos)
    elif k==5:
        clear()
    elif k==6:
        printlist()
    elif k==7:
        sort()
    else:
        exit(0)

Program Screenshot:

Output:

Hope you understand...

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