Assignment of Python,by codexritik.

CodeXRitik 💥


Q.1 python program to interchange first and last elements in a list.

Solution:

a=list(map(int,input('enter the element=').split( )))
b=a[0]
a[0]=a[4]
a[4]=b

print(a)

Q.2 python program to swap two elements in a list.

Solution:

a=list(map(int,input('enter the element=').split( )))

c=list(map(int,input('enter the element=').split( )))

b=a[3]

a[3]=c[2]

c[2]=b

print(a)

print(c)

Q.3 python ways to find length of  list.

Solution:

a=list(map(int,input().split()))

b=len(a)

print(b)

Q.4 python ways to check if element exists in list.

Solution:

a=list(map(int,input().split()))

b=int(input())

if(b in a):

    print('exist')

else:

    print('not exist')

Q.5 python reversing a List

Solution:

a=list(map(int,input().split()))

for i in reversed(a):

    print(i,end=' ')

    

 Q.6 python cloning or copying a list

Solution:

a=list(map(int,input().split()))

b=a.copy()

print(b)

            OR

a=list(map(int,input().split()))

for b in a:

    print(b,end=' ')

Q.7 python count occurrences of an element in a list

Solution:

a=list(map(int,input().split()))

b=0

for i in a:

    b=b+1

print(b)

Q.8 python program to find sum of elements in list

Solution;

a=list(map(int,input().split()))

b=0

for i in a:

    b=b+i

print(b)

     

Q.9 python multiply all numbers in the list

Solution:

a=list(map(int,input().split()))

b=1

c=0

for i in a:

    b=b*i

print(b)

    

    

Q.10 python program to find smallest number in a list

                             And

Q.11 python program to find largest number in a list

Question:

a=list(map(int,input().split()))

b=a[0]

c=a[0]

for i in a:

    if(i<b):

        b=i

    if(i>c):

        c=i

print('smallest=',b,'maximum=',c)

    

Q.12 python program to find second largest no in python

Solution:

a=list(map(int,input().split()))

b=a[0]

for i in a:

    if(i>b):

        c=b

        b=i

print(c)

Q.13 python program to print even no in a list.

                                 AND

Q.14 python program to print odd no in a list .

Solution:

a=list(map(int,input().split()))

b=[];c=[]

for i in a:

    if(i%2==0):

        b.append(i)

    if(i%2!=0):

        c.append(i)

print('even=',b,'odd=',c)

    

Q.15 python program to count even and odd numbers in a list.

Solution:

a=list(map(int,input().split()))

b=[];c=[];d=0;e=0

for i in a:

    if(i%2==0):

        b.append(i)

for j in b:

    d=d+1

print('even=',d)

for i in a:

    if(i%2!=0):

        c.append(i)

for j in c:

        e=e+1

print('odd=',e)

Q.16 python program to print positive no. in list

                              AND

Q.17 python program to print negative no. in list.

Solution:

a=list(map(int,input().split()))

b=[];c=[]

for i in a:

    if(i>0):

        b.append(i)

    if(i<0):

        c.append(i)

print('negative=',c,'positive=',b)

Q.18 python program to print all positive numbers in range.

                                       AND

Q.19 python program to print all negative numbers in range.

Solution:

z=int(input('small value='))

x=int(input('greater value='))

num=0;num1=0

larger=0;smaller=0

for i in range(z,x+1):

    if(i>0):

        larger=i

        num=larger

        print('positive=',num)

    if(i<0):

        smaller=i

        num1=smaller

        print('negative=',num1)

Q.20 python program to count positive and negative numbers in a list

Solution:

a=list(map(int,input().split()))

b=[];c=[];e=0;f=0

for i in a:

    if(i>0):

        b.append(i)

for j in b:

    e=e+1

print('positive=',e)

for i in a:

    if(i<0):

        c.append(i)

for j in c:

    f=f+1

print('negative=',f)

Q.21 Remove multiple elements from a list in python.

Solution:

a=list(map(int,input().split()))

print(set(a))