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class mystack :

def _init_ (self) :

self.myster= rawjnput ("Enter the string”)

self.mylist = list (self.mystr)

def display (self) :

x = len (self. mylist)

if (x > 0) :

for i in range (x) :

print self.mylist.pop (),

else :

print "Stack is empty”

n=input(“Enter no. of values”)

num=[]

flag=0

for i in range (n):

number=input(“Enter the number”)

num. append(number)

search = input(“Enter number to be searched")

for i in range(n):

if num[i]==search:

print search,“found at position”,i

flag=1

if flag==0:

print search, “not found in list”

n=input(“Enter no. of values”)

num=[]

flag=0

for i in range (n):

number=input(“Enter the number”)

num. append(number)

j=n-1

for i in range(n):

if i<=n/2:

num[i],num[j] = num[j],num[i]

j=j-1

else:

break

print num

def printlist(s):

i=0

for i in range(len(s)):

print i,s[i]

i = 0

phonenumbers = [‘9840012345’,‘9840011111’,’ 

9845622222’,‘9850012345’,‘9884412345’]

flag=0

number = raw_input(“Enter the phone number to be searched")

number = number.strip()

try:

i = phonenumbers.index(number)

if i >= 0:

flag=1

except ValueError:

pass

if(flag <>0):

print “\nphone number found in Phonebook at index”, i

else:

print'\iphonenumbernotfoundin phonebook”

print “\nPHONEBOOK”

printlist(phonenumbers)

n = input("Enter the number”)

i = 2

flag = 0

while (i < n):

if (n%i)==0:

flag = 1

print n,“is composite”

break

i = i+ 1

if flag ==0 :

print n,“is prime”

i=1

s=0

dec = int ( raw_input(“Enter the decimal to be converted:”))

while dec>0:

rem=dec%2

s=s + (i*rem)

dec=dec/2

i=i*10

print “The binary of the given number is:”,s raw_input()

binary = raw_input(“Enter the binary string”)

decimal=0

for i in range(len(str(binary))):

power=len (str (binary)) - (i+1)

decimal+=int(str(binary)[i])*(2**power)

print decimal

areal = input("Enter real part of first complex number”)

aimg = input("Enter imaginary part of first complex number”)

breal = input("Enter real part of second complex number”)

bimg = input("Enter imaginary part of second complex number”)

totreal = areal + breal

totimg = aimg + bimg

print “Sum of the complex numbers=",totreal, “+i”, totimg

a = input("Enter real part of first complex number”)

b = input("Enter imaginary part of first complex number”)

c = input("Enter real part of second complex number”)

d = input("Enter imaginary part of second complex number”)

real= a*c - b*d

img= a*d + b*c

print “Product of the complex numbers=",real, “+i”,img

n = inputfEnter the number”)

rev=0

while (n>0):

a=n%10

sum = sum + a

n=n/10

print “Sum of digits=”,sum

n = input("Enter the number”)

rev=0

while (n>0):

a=n%10

rev=(rev*10)+a

n=n/10

print “Reversed number=”,rev

import math

def generatesq (n) :

for i in range (100, n) :

yield (math, sqrt (i))

for i in range(1,6):

for j in range(1,i+1):

print i,

print

def prime (N) :

for a in range (2, N):

for I in range (2, a):

if N%i ==0 :

break print a

OR

def prime (N):

for a in range (2, N):

for I in range (2, a) :

if a%1= = 0 :

break

else :

print a

def prime (N) :

for a in range (2, N)

Prime=1

for I in range (2, a):

if a%i= = 0 :

Prime = 0

if Prime = = 1:

print a

OR

def prime (N) :

for a in range (2, N):

for I in range (2, a) :

if a%i = = 0:

break

else :

print a

OR

Any other correct code performing the same

CID Name

— Fedrick

102 Mr. Fedrick

205 Mrs. Fedrick

— Mr. & Mrs. Fedrick

n = inputfEnter the number”)

savedn = n

sum=0

while n > 0:

a = n%10

sum = sum + a*a*a

n = n/10

if savedn == sum:

print savedn,“is an Armstrong Number”

else:

print savedn,”is not an Armstrong Number”

Output is below 

2 Re-Enter Number 

10 Re-Enter Number 

5 Input = Number 

3 Input = number 

Try and except are used for handling an exception in the Python code.

import string

usemame= raw_input(“Enter username”)

password = raw_input(“Enter password”)

if cmp(usemame.strip(),“XXX”)== 0:

if cmp(password,”123”) == 0:

print “Login successful”

else:

print “Password Incorrect”

else:

print “Username Incorrect”

n=input(“Enter no. of values")

num=[]

for i in range (n):

number=input(“Enter the number") num.append(number)

newno = input(“Enter the number to be inserted”)

pos = input(“Enter position”) num.insert(newno,pos)

print num

str = “Honesty is the best policy”

words = str.split()

print len(words)

n = inputfEnter the number")

for i in range(2,n):

if n%i == 0:

print i,“is a factor of’.n

import math

a = input(“Enter co-efficient of x^2”)

b = input(“Enter co-efficient of x”)

c = inputfEnter constant term”)

d = b*b - 4*a*c

if d == 0:

print “Roots are real and equal”

root1 = root2 = -b / (2*a)

elif d > 0:

print “Roots are real and distinct”

root1 = (- b + math.sqrt(d)) / (2*a)

root2 = (-b - math.sqrt(d)) / (2*a)

else:

print “Roots are imaginary”

print “Roots of the quadratic equation are”,root1,“and”,root2

length = input(“Enter length”)

breadth = input(“Enter breadth”)

print “Area of rectangle =”,length*breadth