Sample Program file class 11.pdf

COMPUTER SCIENCE WITH PYTHON
PROGRAM FILE
NAME:
CLASS:
SECTION:

INDEX
S.NO TOPIC T.SIGN
1 #WAP Take two integer values from user and print greatest among them.
2 A school has following rules for grading system:
a. Below 25 - F
b. 25 to 45 - E
c. 45 to 50 - D
d. 50 to 60 - C
e. 60 to 80 - B
f. Above 80 - A
Ask user to enter marks and print the corresponding grade.
3 A company decided to give hra,da according to the foolowing criteria if his/her year
of service is
no of years hra da
more than 5 years but less than 10 years 5% 3%
more than and equal to 10 years but less than 20 years 4% 2%
more than and equal to 20 years 6% 7%
Ask user for their salary and year of service and print the net salary.
4 Program that demonstrate the use of Nested if- if within another if
5 Write a program to display the first 10 natural numbers.
6 Write a program to display n terms of natural number and their sum
7 Write a program to display the multiplication table of a given integer.
8 Program to demonstrate the concept of nested loop
9 Program to count all uppercase characters
10 Program to count no of vowels
11 Program to convert uppercase into lowercase and vice versa and not to use built in
functions
12 Program to capitalize first and last letters of each word of a given string
13 Write a program which should change all the multiples of 5 in the list to 5 and rest of
the elements as 0.
14 Write a code in python which divide all those list elements by 7 which are divisible by
7 and multiply list elements by 3.
15 Write a program in python, to add 5 in all the odd values and 10 in all the even values
of the list .
16 Program to count total prime nos within the range

17 Write a program that creates a third tuple after adding two tuples. Add
second after first tuple.
18 Program to calculate the average of the numbers of the tuple.
19 Program to store book id, book name and price of three books and store
the data in dictionary name "dict"
20 Dictionary menu based Program
Q1 #WAP Take two integer values from user and print greatest among them.
no1=eval(input("enter no1: "))
no2=eval(input("enter no2: "))
if(no1>no2):
print("no1 is greater than no2")
elif(no2>no1):
print("no2 is greater than no1")
elif(no1==no2):
print("both are equal")
else:
print("PLEASE ENTER VALID NO ONLY")
'''
output
enter no1: 3
enter no2: 4
no2 is greater than no1
'''

Q2 A school has following rules for grading system:
a. Below 25 - F
b. 25 to 45 - E
c. 45 to 50 - D
d. 50 to 60 - C
e. 60 to 80 - B
f. Above 80 - A
Ask user to enter marks and print the corresponding grade.
sol
m=int(input("enter marks"))
if(m<25):
print(" Grade F")
elif(m>=25 and m<45):
print(" Grade E")
print(" Grade D")
print(" Grade C")
print(" Grade B")
elif(m>=80): #else:
print(" Grade A")
#-----------------OR-----------------
if(m<25):
print(" Grade F")
elif(m<45):

print(" Grade E")
elif(m<50):
print(" Grade D")
elif(m<60):
print(" Grade C")
elif(m<80):
print(" Grade B")
elif(m>=80): #else:
print(" Grade A")
‘’’
Output
enter marks76
Grade B
‘’’

Q3
A company decided to give hra,da according to the foolowing criteria if his/her year of service is
no of years hra da
more than 5 years but less than 10 years 5% 3%
more than and equal to 10 years but less than 20 years 4% 2%
more than and equal to 20 years 6% 7%
Ask user for their salary and year of service and print the net salary.
SOL
n=eval(input("enter salary"))
y=int(input("enter no of years"))
if(y>=5 and y<10):
h=n*0.05
d=n*0.03
#print("net salary",n+h+d)
elif(y>=10 and y<20):
h=n*0.04
d=n*0.02
else: #elif(y>=20):
h=n*0.06
d=n*0.07
print("net salary",n+h+d) #final output related to all condition
'''

output
enter salary3450
enter no of years6
net salary 3726.0
'''

Q4 #Program that demonstrate the use of Nested if- if within another if
Sol:
a=int(input("enter age"))
if(a<15):
if(a>=0 and a<=10):
print("age is between 0 to 10")
else:
print("age is greater than 10 but less than 15")
else:
print("age is greater than 15")
'''
output
enter age8
age is between 0 to 10
'''

Q5
#Write a program to display the first 10 natural numbers.
sol
for i in range(1,11):
print(i)
'''
Output
1
2
3
4
5
6
7
8
9
10
‘’’

Q6
'''
#Write a program to display n terms of natural number and their sum
'''
sol
n=int(input("enter no"))
s=0
for i in range(1,n+1):
s=s+i
print("value of natural no",i, "sum of natural no",s)
'''
output
enter no6
value of natural no 1 sum of natural no 1
'''

Q 7
'''
#Write a program to display the multiplication table of a given integer.
'''
sol
n=int(input("enter no"))
#s=int(input("enter starting value"))
#e=int(input("enter ending value"))
for i in range(1,11):
print(n,"x",i,"=",n*i)
'''
output
enter no8
8 x 1 = 8
8 x 2 = 16
8 x 3 = 24
8 x 4 = 32
8 x 5 = 40
8 x 6 = 48
8 x 7 = 56
8 x 8 = 64
8 x 9 = 72
8 x 10 = 80
'''

Q8 # Concept of nested loop
Ans
#--------------------------------------
for i in range(4,0,-1):
for j in range(5,i,-1):
print(i,end="")
print()
'''
4
33
222
1111
'''
#another program that demonstrate the use of nested loop
for i in range(4):
for j in range(i+1):
print("*",end="")
print()
'''
*
**
***
****
'''

Q9
#Program to count all uppercase characters
sol
s=input("enter string")
c=0
for i in s:
if (i.isupper()):
c=c+1
print(c)
'''
output
enter stringTHis is my file
2
‘’’

Q10
#Program to count no of vowels
sol
c=0
for i in s:
if i in "aeiouAEIOU":
c=c+1
print(c)
'''
output
enter stringthis is my file
4
'''

Q11
# Program to display those words which are ending with capital alphabets
c=0
for i in s.split():
if i[-1].isupper():
c=c+1
print(c)
'''
output
enter string this is mY filE
2
'''

Q12
#Program to convert uppercase into lowercase and vice versa and not to use built in functions
S="ThiS IS mY 5678 FIle"
for i in S:
if i>"A" and i<='Z':
print(chr(ord(i)+32),end="")
elif i>="a" and i<="z":
print(chr(ord(i)-32),end="")
'''
output
tHIsisMyfiLE
'''

Q12
#Program to capitalize first and last letters of each word of a given string
Sol
r=" "
s=s.title()
for i in s.split():
r=r+i[:-1]+i[-1].upper()+" "
print(r)
'''
output
enter stringthis is my file
ThiS IS MY FilE
'''

Q13
'''
Write a program which should change all the multiples of 5 in
the list to 5 and rest of the elements as 0.
'''
Sol
a=[2,56,78,98,90,50,45,67]
for i in a:
if(i%5==0):
i=5
print(i,end=" ")
else:
i=0
print(i,end=" ")
'''
output
0 0 0 0 5 5 5 0
'''
#OR
a=[2,56,78,98,90,50,45,67]
for i in range(len(a)):
if(a[i]%5==0):
a[i]=5
else:
a[i]=0
print(a)

'''
output
[0, 0, 0, 0, 5, 5, 5, 0]
'''

Q14'''
Write a code in python which divide all those list elements by
7 which are divisible by 7 and multiply list elements by 3.
'''
Sol
a=[2,56,78,98,90,50,45,67]
for i in a:
if(i%7==0):
i=i//7
print(i,end=" ")
else:
i=i*3
print(i,end=" ")
'''
output
6 8 234 14 270 150 135 201
'''
#OR
a=[2,56,78,98,90,50,45,67]
for i in range(len(a)):
if(a[i]%7==0):
a[i]=a[i]/7
else:
a[i]=a[i]*3
print(a)
'''
output
[6, 8.0, 234, 14.0, 270, 150, 135, 201]
'''

Q15
'''
Write a program in python, to add 5 in all the odd values
and 10 in all the even values of the list .
'''
a=[2,56,78,98,90,50,45,67]
for i in a:
if(i%2==0):
i=i+10
print(i,end=" ")
else:
i=i+5
print(i,end=" ")
'''
output
12 66 88 108 100 60 50 72
'''

Q16
'''
WAP to count total prime nos within the range
'''
a=int(input("enter starting no"))
b=int(input("enter ending limit"))
c=0
d=0
for a in range(a,b+1):
for i in range(2,a):
if(a%i==0):
c=c+1
break
else:
d=d+1
print("total not prime no",c)
print("total prime",d)
'''
output
enter starting no5
enter ending limit19
total not prime no 9
total prime 6
'''

Q17
‘’’
WAP that creates a third tuple after adding two tuples. Add second after first tuple.
‘’’
a=(1,2,3)
b=(4,5,6)
c=a+b
print(c)
‘’’
Output
(1,2,3,4,5,6)
‘’’

Q18
‘’’
WAP to calculate the average of the numbers of the tuple.
‘’’
t=eval(input("enter tuple"))
l=len(t)
a=0
s=0
for i in range(0,l):
s=s+t[i]
a=s/l
print("average of given tuple",a)
'''
output
enter tuple1,2,3,4
average of given tuple 2.5
'''

Q19
'''
WAP to store book id, book name and price of three books and store the data in dictionary name "dict"
'''
dict={}
for i in range(3):
b_id=int(input("enter book id:"))
b_name=input("enter book name:")
b_price=int(input("enter price of book:"))
dict[b_id]=b_name,b_price
print(dict)
'''
OUTPUT
enter book id:1
enter book name:abc
enter price of book:450
enter book id:2
enter book name:cs with python
enter book id:3
enter book name:cs with c++
{1: ('abc', 450), 2: ('cs with python', 279), 3: ('cs with c++', 350)}
'''

Q20
‘’’
Dictionary Menu Based
‘’’
a=0
while a!=1:
print("1. add information")
print("2. display all information")
print("3. search a particular info")
print("4. delete a particular info")
print("5. modification a particular info")
print("6. exit")
ch=int(input("enter your choice"))
d={}
if(ch==1):
n=int(input("how many elements u want to enter"))
for i in range(n):
r=input("enter rollno")
n=input("enter name")
d[r]=n,m
print(d)
elif(ch==2):
for i in d:
print(i,d[i])
elif(ch==3):
s=input("enter the key which u want to search")
for i in d:
if(i==s):

print(d[i])
elif(ch==4):
for i in d:
if(i==s):
d.pop(s)
print(d)
elif(ch==5):
v=int(input("enter the value"))
d[s]=v
print(d)
elif(ch==6):
a=1
‘’’
output
1. add information
2. display all information
3. search a particular info
4. delete a particular info
5. modification a particular info
6. exit
enter your choice1
how many elements u want to enter3
enter rollno1
enter namereena
enter marks70
enter rollno2

enter nameteena
enter marks80
enter rollno3
enter namesheena
enter marks89
{'1': ('reena', 70), '2': ('teena', 80), '3': ('sheena', 89)}
1. add information
6. exit
enter your choice3
enter the key which u want to search1
('reena', 70)
1. add information
6. exit
enter your choice5
enter the key which u want to modify3
enter namemeena
enter marks97
after modification dictionary is {'1': ('reena', 70), '2': ('teena', 80), '3': ('meena', 97)}
1. add information

6. exit
enter your choice4
enter the key which u want to delete2
after deletion dictionary is {'1': ('reena', 70), '3': ('meena', 97)}
1. add information
6. exit
enter your choice6
‘’’

Sample Program file class 11.pdf

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