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Q1
Consider the following Python code. What will the value stored in `x` be at the end of the program execution?
```
x = 5
x = x + 2.0
x = str(x) + "3"
x = x * 2
x = [x]
x = x + [10]
```
Single correct
Q2
Consider the following Python code. Which of the following statements are valid? Select all that apply.
```
t = (5, [10, 20], (30, [40, 50], (30,)))
```
Multiple correct
Q3
What is the value of `output` after executing the given code?
Comprehension
Q4
What is the output of the following Python code?
```
data = ["alpha", "beta", "gamma"]
data[1] = data[1].replace("e", data[0][1])
data[2] = data[2][::-1].replace("a", data[1][3])
print(data)
```
Single correct
Q5
`P` is a non-empty list of distinct integers that has already been defined. Which of the following statements are true at the end of execution of the code given below?
```
Q, R = [], []
for x in P:
Q.append(-x)
Q.sort()
for x in Q:
R.append(-x)
```
Multiple correct
Q6
What is the output of the following snippet of code? Enter an integer as your answer.
```
lst = ['IIT', ['Madras', '2025'], 'exam']
print(len(lst[0]) + len(lst[1][1]) + len(lst[2]))
```
Integer answer
Q7
Consider the following snippet of code. What will the output be?
```
names = ["alice", "bob", "charlie", "david", "eve"]
result = 0
short = []
for name in names:
if len(name) < 4:
short.append(name)
elif len(name) == 5:
result += 1
elif 'a' in name:
result += 2
print(len(short) + result)
```
Integer answer
Q8
What is the value of `output` after executing the given code?
Comprehension
Q9
Which of the following changes would also include `SQL` in the final result?
Comprehension
Q10
What is the output of the following snippet of code?
```
L = ['Delhi', 'Mumbai', 'Chennai', 'Bengaluru']
out = []
while L != []:
mini = len(L[0])
city = L[0]
for name in L:
if len(name) < mini:
mini = len(name)
city = name
out.append(city)
# L.remove(city) removes the city from the list L
L.remove(city)
print(out)
```
Single correct
Q11
Consider the following snippet of code. What will the output be?
```
val = 0
L = [9, 1, 5, 4, 2]
temp = []
for num in L:
if num % 2 != 0:
temp.append(num)
else:
val += num
print(len(temp) * val)
```
Integer answer
Q12
What will be the first line of output?
Comprehension
Q13
What will be the second line of output?
Comprehension
Q14
Consider a program that wants to find the number of vowels in each word of a sentence and create a list. Choose the correct implementation from the following set of code snippets.
Snippet-1:
```
sentence = input()
vowels = "aeiouAEIOU"
words = sentence.split()
vowel_counts = []
for word in words:
count = 0
for char in word:
if char in vowels:
count += 1
vowel_counts.append(count)
print(vowel_counts)
```
Snippet-2:
```
sentence = input()
vowels = set("aeiouAEIOU")
words = sentence.split()
vowel_counts = []
for word in words:
count = len(set(word).intersection(vowels))
vowel_counts.append(count)
print(vowel_counts)
```
Snippet-3:
```
sentence = input()
vowels = "aeiou"
words = sentence.split()
vowel_counts = []
for word in words:
word = word.lower()
count = 0
for char in word:
count += 1 if char in vowels else 0
vowel_counts.append(count)
print(vowel_counts)
```
Snippet-4:
```
sentence = input().split()
vowel_counts = []
for word in sentence:
word = word.upper()
count = 0
for char in word:
if char in 'AEIOU':
count += 1
vowel_counts.append(count)
print(vowel_counts)
```
Single correct
Q15
Which of the below code snippets produces the following output?
```
[[], [0], [0, 1], [0, 1, 2], [0, 1, 2, 3]]
```
Multiple correct
Q16
What is the first line of output for ?
Comprehension
Q17
What is the second line of the output for ? Enter an integer as your answer.
Comprehension
Q18
What is the first line of output?
Comprehension
Q19
What is the first line of output?
Comprehension
Q20
What is the second line of the output? Enter an integer as your answer.
Comprehension
Q21
Consider the following snippet of code. What will the output be?
```
val = 0
L = [7, 1, 8, 3, 10]
temp = []
for num in L:
if num % 2 == 0:
temp.append(num)
else:
val += num
print(len(temp) * val)
```
Integer answer
Q22
What is the first line of output?
Comprehension
Q23
What is the second line of the output? Enter an integer as your answer.
Comprehension
Q24
What will be the output?
Comprehension
Q25
Choose the correct option regarding the given code.
Comprehension
Q26
What is the output of the following snippet of code?
```
L = ['four', 'one', 'ninety', 'three']
out = []
while L != []:
mini = len(L[0])
word = L[0]
for number in L:
if len(number) < mini:
mini = len(number)
word = number
out.append(word)
# L.remove(word) removes word from the list L
L.remove(word)
print(out)
```
Single correct
Q27
Note: The index starts from in lists.
`l1` is a non-empty list of integers. What is the output of the following snippet of code?
```
# Hint: str(3) is '3'
l2 = []
for i in range(len(l1)):
condition_1 = not (i % 2 == 0)
condition_2 = not (len(str(l1[i])) != 3)
if condition_1 and condition_2:
l2.append(l1[i])
print(len(l2))
```
Single correct
Q28
What is the output of the following snippet of code?
```
# Hint: negative indexing in lists works
# in the same way as negative indexing in strings
# so L[-1] is 5 and L[-2] is 4 and so on
L = [1, 2, 3, 4, 5]
stop = -len(L) - 1
x = 0
i = -1
while i > stop:
x = x * 10 + L[i]
i = i - 1
print(x)
```
Integer answer
Q29
What will be the output of the code snippet given below?
```
L = [-1, 1]
for i in range(8):
size = len(L)
value = (L[size - 2] + L[size - 1]) * 2
L.append(value)
print(L)
```
Single correct
Q30
Reverse a sentence based on words. The th word from the left in the input sentence is the th word from the end in the output sentence. Choose all options that accept a sentence as input and print the modified sentence.
Example:
```
sentence = "i know how to code in python"
modified_sentence = "python in code to how know i"
```
Multiple correct
Q31
`L` is a non-empty list of distinct positive integers. If the following snippet of code terminates without any error after a finite number of iterations of the `while` loop, what is the output produced by it?
Hint: `L.remove(x)` removes the leftmost occurrence of `x` in `L`.
```
# L is a non-empty list of distinct positive integers
# L has already been defined
val = 0
for x in L:
val += x
while L != []:
for y in range(1, 11, 2):
if y in L:
L.remove(y)
else:
L.append(y)
print(val)
```
Integer answer
Q32
What will be the output of the code snippet given below?
```
L = [0]
for i in range(1, 10):
size = len(L)
value = i + L[size - 1]
L.append(value)
print(L)
```
Single correct
Q33
`L` is a non-empty list of positive integers that is already defined. Consider the following snippet of code:
```
flag1, flag2 = True, True
for i in range(1, len(L)):
if L[i] > L[i - 1]:
flag2 = False
elif L[i] < L[i - 1]:
flag1 = False
if flag1:
print('one')
elif flag2:
print('two')
else:
print('three')
```
What is the output of the code if `L = [296, 288, 120, 710, 50, 27, 15]`?
Single correct
Q34
Reverse a sentence based on words. The th word from the left in the input sentence is the th word from the end in the output sentence.
Consider the following example:
```
sentence = "I know how to code in Python"
modified_sentence = "Python in code to how know I"
```
Choose all the options that accept a sentence as input and print the modified sentence.
Multiple correct
Q35
What is the output of the following snippet of code? All words in the list `L` are in lower case.
```
L = ['good', 'done', 'eat', 'trim',
'make', 'fake', 'ease', 'epic',
'cage', 'list', 'tog', 'got']
# L[0][-1] is the last letter of the first word
counts = []
count = 1
for i in range(1, len(L)):
if L[i - 1][-1] == L[i][0]:
count += 1
else:
counts.append(count)
count = 1
counts.append(count)
print(counts)
```
Single correct
Q36
What is the output of the following snippet of code?
```
code = ['# this is a python code',
'x = 0',
'print(x)',
'for i in range(x):',
' x = x + 1',
'print(x)']
mod_code = []
for line in code:
if 'print' in line:
# there is a single space between the middle quotes
line = '#' + ' ' + line
mod_code.append(line)
for line in mod_code:
print(line)
```
Single correct
Q37
`L` is a non-empty list of distinct positive integers. If the following code snippet terminates without any error after a finite number of iterations of the `while` loop, what is the output produced by it?
Hint: `L.remove(x)` removes the leftmost occurrence of `x` in `L`.
```
# L is a non-empty list of distinct positive integers
# L has already been defined
val = 0
for x in L:
val += x
while L != []:
for y in range(1, 11):
if y in L:
L.remove(y)
else:
L.append(y)
print(val)
```
Integer answer
Showing 37 questions.