Question 1

Identify which of the following is an interpreted language.

Accepted Answer

Python

Question 2

Python syntax is case-sensitive. State true or false.

Accepted Answer

True

Question 3

Select the command to be used to run the Python script file named t.py.

Accepted Answer

python t.py

Question 4

Select the method that can be used to create a directory in Python.

Accepted Answer

os.mkdir()

Question 5

Name the creator of Python.

Accepted Answer

Guido van Rossum

Question 6

In Python, who detects the syntax error and when?

Accepted Answer

interpreter/at runtime

Question 7

Identify the symbol that a Python single-line comment begins with.

Accepted Answer

#

Question 8

Identify the style that Python paragraph (multi-line) comments use.

Accepted Answer

''' comments '''

Question 9

Select the command to be used to start Python from the command prompt.

Accepted Answer

python

Question 10

Select the correct code snippet:
A: print("Programming is fun")
       print("Python is fun")  [extra indentation on second line]
B: print("Programmin

Accepted Answer

B

Question 11

Define what kind of language Python is.

Accepted Answer

Interpreted

Question 12

Object Oriented Programming is possible in Python. State whether True or False.

Accepted Answer

True

Question 13

Identify the correct operator for exponentiation (x to the power y).

Accepted Answer

x**y

Question 14

Identify which one of these is the floor division operator in Python.

Accepted Answer

//

Question 15

Mathematical operations can be performed on a string. State whether True or False.

Accepted Answer

False

Question 16

Analyse and find which of the following loops correctly computes 1/2 + 2/3 + 3/4 + ... + 99/100:
A: for i in range(1, 99): sum += i / (i + 1)
B: for i

Accepted Answer

B

Question 17

Which single line of code can replace this block?
nums = [1,2,3,4,5,6,7,8,9]
x = 0
for n in nums:
    x = x + n
print(x)

Accepted Answer

print(sum(range(1,10)))

Question 18

Select the choice that should NOT appear in the place of EXP in: for k in EXP:

Accepted Answer

a range of float

Question 19

Which statement best describes the behavior of: x != 0 and y % x != 0

Accepted Answer

It executes successfully for all values of x

Question 20

Analyse and predict the output:
isCorrect = False
print("Correct" if isCorrect else "Incorrect")

Accepted Answer

Incorrect

Question 21

Predict the right output for the following code:
i = 5
while True:
    if i%9 == 0:
        break
    print(i)
    i += 1

Accepted Answer

5 6 7 8

Question 22

Predict the correct output for the following code:
x = "abcdef"
i = "a"
while i in x:
    print('i', end = " ")

Accepted Answer

i i i i i i ...

Question 23

Analyse and predict the value of b after this loop:
b = 0
for a in range(0, 10, 2):
    b += a + 1

Accepted Answer

25

Question 24

Select the statement that you can use for iterating over a block of statements N times.

Accepted Answer

for n in range(N):

Question 25

Analyse and select the statement that correctly explains the output of:
if(True): print("A")
if(100): print("B")
if(" "): print("C")
if([[]]): print("

Accepted Answer

In the context of Boolean operations, the following values are interpreted as true: True, numeric non-zero of all types, non-empty strings and containers containing empty containers.

Question 26

Analyse the code and predict the output:
myList = [1, 5, 5, 5, 5, 1]
max = myList[0]
indexOfMax = 0
for i in range(1, len(myList)):
    if myList[i] >

Accepted Answer

1

Question 27

Ignoring the order, which line of code replaces '# LINE A' to produce:
{'key1': 'val1', 'key2': 'val2', 'key3': 'val3', 'key4': 'val4', 'key5': 'val5'

Accepted Answer

mydict = dict()
for x in range(len(keys)):
    mydict[keys[x]] = vals[x]

Question 28

Evaluate the given code. What is the value of (a == b, a is b)?
a = [1, 2, 3, 1]
b = [1, 2, 3, 1]

Accepted Answer

(True, False)

Question 29

Describe what will happen during the dictionary update dict[k] = v, if k isn't present in dict.

Accepted Answer

The entry (k, v) is added to the dictionary

Question 30

Select the statement(s) that is/are true. (Select all that apply)

Accepted Answer

Tuples are immutable, lists are mutable., Tuples are structured, lists are ordered

Question 31

If a=[20,30,40,50,60], what is the value of a[3]?

Accepted Answer

50

Question 32

Consider the following code snippet:
list = [[]] * 5
list[0].append(10)  # line 3
list[1].append(20)  # line 5
list.append(30)     # line 7
What are t

Accepted Answer

[[], [], [], [], []]
[[10], [10], [10], [10], [10]]
[[10, 20], [10, 20], [10, 20], [10, 20], [10, 20]]
[[10, 20], [10, 20], [10, 20], [10, 20], [10, 20], 30]

Question 33

Analyse the following code and predict the output:
list1 = [2,4,6,8,10,12,14,16,18,20]
print(list1[0:1], list1[5:7])

Accepted Answer

[2] [12, 14]

Question 34

Create a string with the numbers from 0 to 100, "0123456789101112...". Choose the correct statement.

Accepted Answer

"".join([str(x) for x in range(101)])

Question 35

"The 'break' statement can be used to terminate the 'if' condition". State True or False.

Accepted Answer

False

Question 36

Analyse the code and predict the output:
def addItem(listParam):
    listParam += [1]
mylist = [1, 2, 3, 4]
addItem(mylist)
print(len(mylist))

Accepted Answer

5

Question 37

Analyze the code and choose the correct output:
d = lambda p: p * 2
t = lambda p: p * 3
x = 2
x = d(x)
x = t(x)
x = d(x)
print(x)

Accepted Answer

24

Question 38

Identify which of the following methods returns a string representing the present working directory.

Accepted Answer

os.getcwd()

Question 39

Describe the process of pickling in Python.

Accepted Answer

conversion of a Python object hierarchy into byte stream

Question 40

Choose the best statement that describes the output of:
numbers=[-2,4,6,-1]
new_no = list(filter(lambda x:x>0, numbers))

Accepted Answer

It will filter the positive numbers from a list

Question 41

Which of the following is a contiguous set of bytes used to store data in a specific organized format?

Accepted Answer

A file

Question 42

"Byte files are then translated into binary 1 and 0 for easier processing by the computer." State whether true or false.

Accepted Answer

True

Question 43

Choose the main parts of files on most modern file systems. (Select all that apply)

Accepted Answer

Header: metadata about the contents of the file (file name, size, type, and so on), Data: contents of the file as written by the creator or editor, End of file (EOF): special character that indicates the end of the file

Question 44

The file path is a string representing the location of a file. What are the major parts of a file path? (Select all that apply)

Accepted Answer

Extension: the end of the file path pre-pended with a period (.) used to indicate the file type, File Name: the actual name of the file, Folder Path: the file folder location on the file system where subsequent folders are separated by a forward slash / (Unix) or backslash \ (Windows)

Question 45

An encoding is a translation from byte data to human readable characters. What are the most common character encoding formats? (Select all that apply)

Accepted Answer

Unicode (UTF-8), ASCII

Question 46

Select the correct built-in function to read a line of text from standard input (keyboard).

Accepted Answer

input

Question 47

"You can read all the lines in the text file using .readlines() function". State True or False.

Accepted Answer

True

Question 48

"We can open a file in 'a' mode to append text towards the end of the file". State True or False.

Accepted Answer

True

Question 49

Select the correct option that describes 'pickling' in Python.

Accepted Answer

It is used for object serialization

Question 50

"When we use DictReader for reading CSV files, each line is read as a dictionary and columns are available as keys of the dictionary". State True or F

Accepted Answer

True

Python

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