Thursday 29 November 2018

11-C String comparison in python

You can use ( > , < , <= , <= , == , !=  ) to compare two strings. Python compares string lexicographically i.e using ASCII value of the characters.
Suppose you have str1  as "Mary"  and str2  as "Mac" . The first two characters from str1  and str2 ( M  and M ) are compared. As they are equal, the second two characters are compared. Because they are also equal, the third two characters ( r  and c) are compared. And because 'r'  has greater ASCII value than 'c' , str1  is greater than str2 .
Here are some more examples:

Wednesday 21 November 2018

11-C Prog- Write a algorithm and program sorting the elements using Bubble sort through function

                                                                                            Graphics; Click Here
def b_s(n):
    l=[]
    for i in range(n):
        num=int(input("enter the number:"))
        l.append(num)
    #bubble sort
    for k in range(0,n,1):
        for j in range(0,n-1,1):
            if l[j]>l[j+1]:
                t=l[j]
                l[j]=l[j+1]
                l[j+1]=t
            print("Stage=",k+1,"inside list=",j+1,"=",l)
        print("Stage=",k+1,"Final list=",l)
    print("Final Result list=:",l)
#main program
n=int(input("enter size of list:"))
print("size of list:",n)
b_s(n)


Input
enter size of list:5
size of list: 5
enter the number:5
enter the number:2
enter the number:7
enter the number:10
enter the number:1

Output
Stage= 1 inside list= 1 = [2, 5, 7, 10, 1]
Stage= 1 inside list= 2 = [2, 5, 7, 10, 1]
Stage= 1 inside list= 3 = [2, 5, 7, 10, 1]
Stage= 1 inside list= 4 = [2, 5, 7, 1, 10]
Stage= 1 Final list= [2, 5, 7, 1, 10]

Stage= 2 inside list= 1 = [2, 5, 7, 1, 10]
Stage= 2 inside list= 2 = [2, 5, 7, 1, 10]
Stage= 2 inside list= 3 = [2, 5, 1, 7, 10]
Stage= 2 inside list= 4 = [2, 5, 1, 7, 10]
Stage= 2 Final list= [2, 5, 1, 7, 10]

Stage= 3 inside list= 1 = [2, 5, 1, 7, 10]
Stage= 3 inside list= 2 = [2, 1, 5, 7, 10]
Stage= 3 inside list= 3 = [2, 1, 5, 7, 10]
Stage= 3 inside list= 4 = [2, 1, 5, 7, 10]
Stage= 3 Final list= [2, 1, 5, 7, 10]

Stage= 4 inside list= 1 = [1, 2, 5, 7, 10]
Stage= 4 inside list= 2 = [1, 2, 5, 7, 10]
Stage= 4 inside list= 3 = [1, 2, 5, 7, 10]
Stage= 4 inside list= 4 = [1, 2, 5, 7, 10]
Stage= 4 Final list= [1, 2, 5, 7, 10]

Stage= 5 inside list= 1 = [1, 2, 5, 7, 10]
Stage= 5 inside list= 2 = [1, 2, 5, 7, 10]
Stage= 5 inside list= 3 = [1, 2, 5, 7, 10]
Stage= 5 inside list= 4 = [1, 2, 5, 7, 10]
Stage= 5 Final list= [1, 2, 5, 7, 10]


Final Result list=: [1, 2, 5, 7, 10]

Input
enter size of list:5
size of list: 5
enter the number: 6
enter the number: 5
enter the number: 4
enter the number: 3
enter the number: 1

Output
Stage= 1 inside list= 1 = [5, 6, 4, 3, 1]
Stage= 1 inside list= 2 = [5, 4, 6, 3, 1]
Stage= 1 inside list= 3 = [5, 4, 3, 6, 1]
Stage= 1 inside list= 4 = [5, 4, 3, 1, 6]
Stage= 1 Final list= [5, 4, 3, 1, 6]

Stage= 2 inside list= 1 = [4, 5, 3, 1, 6]
Stage= 2 inside list= 2 = [4, 3, 5, 1, 6]
Stage= 2 inside list= 3 = [4, 3, 1, 5, 6]
Stage= 2 inside list= 4 = [4, 3, 1, 5, 6]
Stage= 2 Final list= [4, 3, 1, 5, 6]

Stage= 3 inside list= 1 = [3, 4, 1, 5, 6]
Stage= 3 inside list= 2 = [3, 1, 4, 5, 6]
Stage= 3 inside list= 3 = [3, 1, 4, 5, 6]
Stage= 3 inside list= 4 = [3, 1, 4, 5, 6]
Stage= 3 Final list= [3, 1, 4, 5, 6]


Stage= 4 inside list= 1 = [1, 3, 4, 5, 6]
Stage= 4 inside list= 2 = [1, 3, 4, 5, 6]
Stage= 4 inside list= 3 = [1, 3, 4, 5, 6]
Stage= 4 inside list= 4 = [1, 3, 4, 5, 6]
Stage= 4 Final list= [1, 3, 4, 5, 6]

Stage= 5 inside list= 1 = [1, 3, 4, 5, 6]
Stage= 5 inside list= 2 = [1, 3, 4, 5, 6]
Stage= 5 inside list= 3 = [1, 3, 4, 5, 6]
Stage= 5 inside list= 4 = [1, 3, 4, 5, 6]
Stage= 5 Final list= [1, 3, 4, 5, 6]

Final Result list=: [1, 3, 4, 5, 6]
>>>

11-C Prog- Counting the number of operation while sorting the elements


#INSERTION SORTING

def ins_sort(n):                                                         
    alist=[]
    for i in range(n):
        num=int(input("Enter the number"))
        alist.append(num)
    count=0
    print("Original list is:",alist)
 
    for i in range (1,len(alist)):
        key=alist[i]
        j=i-1
        while j>=0 and key < alist[j]:
            alist[j+1]=alist[j]
            j=j-1
        else:
            alist[j+1]=key
        count=count+1

        print("steps=",i,"list=",alist)
     
    print("list after sorting using insertion sort:",alist)
    print("The number of operation while sorting the elements in insertion sort method is=",count)

#main program
n=int(input("Enter the size of insertion sort"))
ins_sort(n)


>>>
= RESTART: C:/Users/Student/AppData/Local/Programs/Python/Python37-32/ins.py =
Input

Enter the size of insertion sort 5
Enter the number 6
Enter the number 5
Enter the number 4
Enter the number 3
Enter the number 1
Original list is: [6, 5, 4, 3, 1]

Output
steps= 1 list= [5, 6, 4, 3, 1]
steps= 2 list= [4, 5, 6, 3, 1]
steps= 3 list= [3, 4, 5, 6, 1]
steps= 4 list= [1, 3, 4, 5, 6]
list after sorting using insertion sort: [1, 3, 4, 5, 6]
The number of operation while sorting the elements in insertion sort method is = 4




#BUBBLE SORTING

def b_s(n):
    l=[]
    for i in range(n):
        num=int(input("enter the number:"))
        l.append(num)
   count=0
    #bubble sort
    for k in range(0,n,1):
        for j in range(0,n-1,1):
            if l[j]>l[j+1]:
                t=l[j]
                l[j]=l[j+1]
                l[j+1]=t
           count=count+1
            print("Stage=",k+1,"inside list=",j+1,"=",l)
        print("Stage=",k+1,"Final list=",l)
    print("Final Result list=:",l)
    print("The number of operation while sorting the elements in bubble sort method is=",count)

#main program
n=int(input("enter size of list:"))
print("size of list:",n)
b_s(n)



Input
enter size of list:5
size of list: 5
enter the number: 6
enter the number: 5
enter the number: 4
enter the number: 3
enter the number: 1

Output
Stage= 1 inside list= 1 = [5, 6, 4, 3, 1]
Stage= 1 inside list= 2 = [5, 4, 6, 3, 1]
Stage= 1 inside list= 3 = [5, 4, 3, 6, 1]
Stage= 1 inside list= 4 = [5, 4, 3, 1, 6]
Stage= 1 Final list= [5, 4, 3, 1, 6]

Stage= 2 inside list= 1 = [4, 5, 3, 1, 6]
Stage= 2 inside list= 2 = [4, 3, 5, 1, 6]
Stage= 2 inside list= 3 = [4, 3, 1, 5, 6]
Stage= 2 inside list= 4 = [4, 3, 1, 5, 6]
Stage= 2 Final list= [4, 3, 1, 5, 6]

Stage= 3 inside list= 1 = [3, 4, 1, 5, 6]
Stage= 3 inside list= 2 = [3, 1, 4, 5, 6]
Stage= 3 inside list= 3 = [3, 1, 4, 5, 6]
Stage= 3 inside list= 4 = [3, 1, 4, 5, 6]
Stage= 3 Final list= [3, 1, 4, 5, 6]


Stage= 4 inside list= 1 = [1, 3, 4, 5, 6]
Stage= 4 inside list= 2 = [1, 3, 4, 5, 6]
Stage= 4 inside list= 3 = [1, 3, 4, 5, 6]
Stage= 4 inside list= 4 = [1, 3, 4, 5, 6]
Stage= 4 Final list= [1, 3, 4, 5, 6]

Stage= 5 inside list= 1 = [1, 3, 4, 5, 6]
Stage= 5 inside list= 2 = [1, 3, 4, 5, 6]
Stage= 5 inside list= 3 = [1, 3, 4, 5, 6]
Stage= 5 inside list= 4 = [1, 3, 4, 5, 6]
Stage= 5 Final list= [1, 3, 4, 5, 6]

Final Result list=: [1, 3, 4, 5, 6]
The number of operation while sorting the elements in bubble sort method is = 20









Tuesday 13 November 2018

11-C 29 Write a algorithm and python program sorting the numbers using insertion through function

                                                                                  Graphics Click Here


def ins_sort(n):                                                         
    alist=[]
    for i in range(n):
        num=int(input("Enter the number"))
        alist.append(num)
   
    print("Original list is:",alist)
 
    for i in range (1,len(alist)):
        key=alist[i]
        j=i-1
        while j>=0 and key < alist[j]:
            alist[j+1]=alist[j]
            j=j-1
        else:
            alist[j+1]=key
        print("step=",i,"list=",alist)
     
    print("list after sorting using insertion sort:",alist)

#main program
n=int(input("Enter the size of insertion sort"))
ins_sort(n)


>>> 
= RESTART: C:/Users/Student/AppData/Local/Programs/Python/Python37-32/ins.py =

Input
Enter the size of insertion sort 5
Enter the number 6
Enter the number 5
Enter the number 4
Enter the number 3
Enter the number 1
Original list is: [6, 5, 4, 3, 1]

Output
steps= 1 list= [5, 6, 4, 3, 1]
steps= 2 list= [4, 5, 6, 3, 1]
steps= 3 list= [3, 4, 5, 6, 1]
steps= 4 list= [1, 3, 4, 5, 6]
list after sorting using insertion sort: [1, 3, 4, 5, 6]
>>>