Class 12 CS Find output of Python Code Important Questions
Class 12 CS Find output of Python Code Important Questions
Q1. What will be the output of the following code snippet?
a=10
b=20
c=-5
a, b, a = a+c, b-c, b+c
print(a, b, c)
Q2. What is the result of the following code in python?
S=”ComputerScience”
print(S[2]+S[-4]+S[1:-7])
Q3. What possible outputs(s) will be obtained when the following code is executed?
import random
VALUES = [10, 20, 30, 40, 50, 60, 70, 80]
BEGIN = random.randint(1,3)
LAST = random.randint(BEGIN, 4)
for x in range(BEGIN, LAST+1):
print(VALUES[x], end = "-")
a) 30-40-50-
b) 10-20-30-40-
c) 30-40-50-60-
d) 30-40-50-60-70-
Q4. Predict the output of the following code:
def ChangeLists(M , N):
M[0] = 25
N = [2, 3]
L1 = [-11, -21]
L2 = [14, 23]
ChangeLists(L1, L2)
print(L1[0],"#", L2[0])
Q5. Write the output of the following code:
L1=[10, 90, 30, 40, 50]
START=1
S=0
for C in range (START, 4):
S=S+L1[C]
print(C,":")
S=S+L1[0]*10
print(S)
Write the output of : print(st.count(‘PLI’, 2,12))
Q6. Given is a Python string declaration:
str = ‘SIMPLEQUESTIONS’
Write the output of : print(str.count(‘E’, 2, 12))
Q7. Write the output of the code given below:
D = {‘A’ : ’AJAY’ , ‘GRADE’ : ’A’}
print(list(D.values( )))
Q8. Write the output of the code given below:
x = 25
def modify(s, c=2):
global x
for a in s:
if a in 'QWEiop':
x //= 5
print(a.upper(),'@',c*x)
else:
x += 5
print(a.lower(),'#',c+x)
string = 'We'
modify(string,10)
print(x, '$', string)
Q9. What will be the output of the following statement:
print(5-2**2**2+99//11)
Q10. What will be the output of the following code:
for i in "SIMPLE":
print(i.lower(), end="#")
Q11. What will be the output of the following code:
x=90
def funl():
x = 100
def fun2():
x = 200
print ("x in fun2()",x)
print ("Before calling fun2(): " + str(x))
fun2()
print ("After calling fun2: " + str(x))
funl()
print ("x in main: " + str(x))
Q12. What will be the output of the following code:
def Diff(N1, N2):
if N1>N2:
return N1-N2
else:
return N2-N1
NUM=[20, 33, 4, 44, 52]
for CNT in range (4,0,-1):
A=NUM [CNT]
B=NUM [CNT-1]
print (Diff(A, B), '#', end='')
Q13. Write the output of the following:
d1={1 : 2, 3 : 4, 5 : 6}
d2=d1.popitem()
print(d2)
Q14. Write the output of the following code
a="Year2022atallthe best"
a=a.split('a')
b=a[0]+"-"+a[1]+"-"+a[3]
print (b)
Q15. Write the output of the following code
D1={"sname":"Aman","age":26}
D1['age']=27
D1['address']="Delhi"
print(D1.items())
Q16. Write the output of the following code
value = 50
def display(N):
global value
value = 25
if N%7==0:
value=value+N
else:
value=value-N
print(value, end="#")
display(20)
print(value)
Q17. Write the output of the following code
def Display(str):
m=""
for i in range(0,len(str)):
if(str[i].isupper()):
m=m+str[i].lower()
elif str[i].islower():
m=m+str[i].upper()
else:
if i%2==0:
m=m+str[i-1]
else:
m=m+"#"
print(m)
Display('Fun@World2.0')
Q18. What will be the output of the following python dictionary operation?
data = {'A':2000, 'B':2500, 'C':3000, 'A':4000}
print(data)
Q19. Write the output of the following code:
dic1={'r' : 'rose', 'g' : 'girl', 'b' : 'bill'}
for i in dic1:
print (i,end='')
Q20. Write the correct output of the following code:
for i in "SIMPLE":
print({i.lower()}, end= "#")
Q21. Write the output of the following code:
def Swap (a,b ) :
if a>b:
print("changed ",end="")
return b,a
else:
print("unchanged ",end="")
return a,b
data=[11,22,16,50,30]
for i in range (4,0,-1):
print(Swap(data[i],data[i-1]))
Q22. Write the output of the following code:
value = 50
def display(N):
global value
value = 25
if N%7==0:
value = value + N
else:
value = value - N
print(value, end="#")
display(20)
print(value)
Q23. Write the output of the following code:
a=20
def call():
global a
b=20
a=a+b
return a
print(a)
call()
print(a)
Q24. Write the output of the following code:
m={1:2,3:4,5:6}
n=m.get(1,3)
print(n)
Q25. Write the output of the following code:
s="Agnel@CBSE-2024"
print(s[-2:2:-2])
Q26. Write the output of the following code:
L=[12,23,18,9,17]
for i in range(len(L)):
if(L[i]%3==0):
L[i]=0
else:
L[i]=1
print(L)
Q27. Write the output of the following code
string="aabbcc"
count=3
while True:
if string[0]=='a':
string=string[2:]
elif string[-1]=='b':
string=string[:2]
else:
count+=1
break
print(string)
print(count)
Q28. Write the output of the following code
def Compare(N1,N2=10):
return N1 > N2
NUM= [10,23,14,54,32]
for V in range (4,0,-1):
A=NUM[V]
B=NUM[V-1]
if V > len(NUM)//2:
print(Compare(A,B),'?', end=' ')
else:
print(Compare(B),'#',end=' ')
Q29. Write the output of the following code
a={}
a[1] = 1
a['2'] = 2
c = 0
for i in a:
c = c+a[i]
print(c)
Q30. Write the output of the following code
M1="FATHERS"
M2="AGNELS"
M3=""
for i in range (0, len (M2)):
if M1[i]>="A" and M1[i]<="M":
M3 = M3+M1[i]
elif M1 [i]>="N" and M1 [i]<="Z":
M3=M3+M2[i]
else:
M3=M3+"*"
print (M3)
Q31. Write the output of the following code
a = "Wow! Python! is! amazing!"
a = a.split('!')
b = a[0] + "?" + a[1] + "?" + a[2]
print (b)
Q32. Write the output of the following code
st="ComputerScience@2024"
print(st[2:22:4]*3)
Q33. Write the output of the following code
a=tuple()
a=a + tuple(‘Python’)
print(a)
print(len(a))
b=(10,20,30)
print(len(b))
Q34. Write the output of the following code
a=5
def add(b=2):
global a
a=a+b
print(a,'#',b)
return a
b=add(a)
print(a,'#',b)
b=add(b)
print(a,'#',b)
Q35. Write the output of the following code
a="Hello@123"
n =len(a)
b=""
for i in range(0, n):
if a[i] >= 'a' and a[i] <= 'k':
b = b + a[i].upper()
elif (a[i] >= 'l' and a[i] <= 'z'):
b = b + a[i-1]
elif a[i].isupper():
b = b + a[i].lower()
else:
b = b + '#'
print(b)
Q36. Write the output of the following code
L=[12, 24, 36, 48, 60]
for i in range(1,5):
L[i-1]=L[i]
for i in range(0,5):
print(L[i],end='$')
Q37. Write the output of the following code
elements=['apple',200,300,'red','blue','grapes']
print(elements[3 : 5])
print(elements[: : -1])
Q38. Write the output of the following code
def calc(p,q=3):
ans=1
for x in range(q):
ans=ans*p
return ans
power=calc(3)
print(power,'Anil')
power=calc(3,2)
print(power,'Aman')
Q39. Write the output of the following code
def calculate(str):
text=' '
x=range(len(str)-1)
for i in x:
if str[i].isupper():
text+=str[i].lower()
elif str[i].islower():
text+=str[i+1]
else:
text+='@'
return text
start='PROGRAM finished'
final=calculate(start)
print(final)
Q40. Write the output of the following code
s = "Question paper 2024-25"
s= s.split('2')
print(s)
Q41. Write the output of the following code
D={1 : "one", 2 : "two", 3 : "three"}
L=[ ]
for k,v in D.items():
if 'o' in v:
L.append(k)
print(L)
Q42. Write the output of the following code
D={‘month’ : ’DECEMBER’, ’exam’ : ’PREBOARD1’}
D[‘month’]=’JANUARY’
D[‘EXAM’]=’PRE2’
print(D.items())
Q43. Write the output of the following code
L=[4,6,7,1,6,9,4]
def fun(L):
for i in range(len(L)):
if(L[i]%3==0 and L[i]%2==0):
L[i]=L[i]+1
return(L)
k=fun(L)
print(k)
Q44. Write the output of the following code
T = (9, 18, 27, 36, 45, 54)
L=list(T)
L1 = [ ]
for i in L:
if i%6==0:
L1.append(i)
T1 = tuple(L1)
print(T1)
Q45. Write the output of the following code
string="aabbcc"
count=3
while True:
if string[0]=='a':
string=string[2:]
elif string[-1]=='b':
string=string[:2]
else:
count+=1
break
print(string)
print(count)
Q46. Write the output of the following code
fruit_list1 = ['Apple', 'Berry', 'Cherry', 'Papaya']
fruit_list2 = fruit_list1
fruit_list3 = fruit_list1[:]
fruit_list2[0] = 'Guava'
fruit_list3[1] = 'Kiwi'
sum = 0
for ls in (fruit_list1, fruit_list2, fruit_list3):
if ls[0] == 'Guava':
sum += 1
if ls[1] == 'Kiwi':
sum += 20
print (sum)
Q47. Write the output of the following code
my_dict = { }
my_dict[(1,2,4)] = 8
my_dict[(4,2,1)] = 10
my_dict[(1,2)] = 12
sum = 0
for k in my_dict:
sum += my_dict[k]
print (sum)
print(my_dict)
Q48. Write the output of the following code
txt = "fun with python"
print(txt.find("th",7,14))
Q49. Write the output of the following code
text = 'ABCD'
number = '1357'
i = 0
s =''
while i < len(text):
s = s + text[i] + number[len(number)-i-1]
i = i + 1
print(s)
Q50. Write the output of the following code
def Diff(N1,N2):
if N1>N2:
return N1-N2
else:
return N2-N1
num=[10,23,14,54,32]
for cnt in range(4,0,-1):
a=num[cnt]
b=num[cnt-1]
print(Diff(a,b),'#',end='&')
Q51. Write the output of the following code
List1 = list("Examination")
List2 =List1[1:-1]
new_list = []
for i in List2:
j=List2.index(i)
if j%2==0:
List1.remove(i)
print(List1)
Q52. Write the output of the following code.
Text = 'CsipLearninghub@123'
L= ""
for i in range(len(Text)):
if Text[i].isupper():
L=L+Text[i].lower()
elif Text[i].islower():
L=L+Text[i].upper()
elif Text[i].isdigit():
L=L+(Text[i]*2)
else:
L=L+'#'
print(L)
Q53. Write the output of the following code
d1 = {"john":40, "peter":45}
d2 = {"john":466, "peter":45}
d1 > d2
Q54. Write the output of the following code
a = "amanamanaman"
a = a.partition("a")
print(a)
MCQ of Computer Science Chapter Wise
2. Flow of Control (Loop and Conditional statement)
3. 140+ MCQ on Introduction to Python
4. 120 MCQ on String in Python
7. 100+ MCQ on Flow of Control in Python
8. 60+ MCQ on Dictionary in Python
Important Links
100 Practice Questions on Python Fundamentals
120+ MySQL Practice Questions
90+ Practice Questions on List
50+ Output based Practice Questions
100 Practice Questions on String
70 Practice Questions on Loops
70 Practice Questions on if-else
Important MCQ of Series
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