commands

Question 1

What is the command to print ‘Hello, World!’ in Python?

Answer 1

print(‘Hello, World!’)

Question 2

True or False: In Python, indentation is used to define blocks of code.

Answer 2

True

Question 3

Fill in the blank: The command to create a list in Python is ________.

Answer 3

list()

Question 4

What is the syntax for defining a function in Python?

Answer 4

def function_name(parameters):

Question 5

Which command is used to read a file in Python?

Answer 5

open()

Question 6

What will the following command return? len([1, 2, 3])

Answer 6

3

Question 7

What is the command to generate a random integer between 1 and 10?

Answer 7

import random; random.randint(1, 10)

Question 8

True or False: Lists in Python are immutable.

Answer 8

False

Question 9

What is the purpose of the ‘import’ statement in Python?

Answer 9

To include external modules and libraries in your code.

Question 10

Fill in the blank: The command to create a dictionary in Python is ________.

Answer 10

dict()

Question 11

Which keyword is used to create a loop that iterates over a sequence in Python?

Answer 11

for

Question 12

What is the output of the command: print(type(5.0))?

Answer 12

<class ‘float’>

Question 13

What command is used to handle exceptions in Python?

Answer 13

try…except

Question 14

Multiple choice: Which of the following is a valid variable name in Python? A) 1st_variable B) first-variable C) first_variable

Answer 14

C) first_variable

Question 15

What is the command to convert a string to an integer in Python?

Answer 15

int()

Question 16

True or False: The ‘while’ loop will execute at least once.

Answer 16

False

Question 17

What is the command to remove an item from a list in Python?

Answer 17

list.remove(item)

Question 18

Fill in the blank: The command to sort a list in Python is ________.

Answer 18

list.sort()

Question 19

What is the function used to find the maximum value in a list?

Answer 19

max()

Question 20

What will the following command return? ‘Python’.lower()

Answer 20

‘python’

Question 21

Multiple choice: Which of the following methods can be used to add an item to a list? A) append() B) add() C) insert()

Answer 21

A) append() and C) insert()

Question 22

What is the command to create a tuple in Python?

Answer 22

tuple()

Question 23

What is the purpose of the ‘return’ statement in a function?

Answer 23

To exit the function and optionally pass an expression back to the caller.

Question 24

True or False: Strings in Python are mutable.

Answer 24

False

Question 25

What is the command to get the current working directory in Python?

Answer 25

import os; os.getcwd()

Question 26

Fill in the blank: The command to create a set in Python is ________.

Answer 26

set()

Question 27

What command is used to print output in Python?

Answer 27

The 'print()' function.

Question 28

Fill in the blank: To create a list in Python, you use ________.

Answer 28

square brackets []

Question 29

True or False: The 'len()' function returns the number of items in an object.

Answer 29

True

Question 30

What is the command to create a new dictionary in Python?

Answer 30

'my_dict = {}' or 'my_dict = dict()'

Question 31

Which command is used to read a file in Python?

Answer 31

'open()' function.

Question 32

What is the output of 'print(type(5))'?

Question 33

Choose the correct syntax to create a function in Python.

Answer 33

def function_name(parameters):

Question 34

What command would you use to iterate over a list?

Answer 34

'for item in list:'

Question 35

Fill in the blank: To convert a string to an integer, use ________.

Answer 35

'int()'

Question 36

True or False: Lists in Python are immutable.

Answer 36

False

Question 37

What is the command to import a module in Python?

Answer 37

'import module_name'

Question 38

What is the purpose of the 'if __name__ == "__main__":' statement?

Answer 38

To allow or prevent parts of code from being run when the modules are imported.

Question 39

Which command is used to add an item to a list?

Answer 39

'list.append(item)'

Question 40

What does the 'range()' function do?

Answer 40

Generates a sequence of numbers.

Question 41

Fill in the blank: The command to handle exceptions is ________.

Answer 41

'try-except'

Question 42

True or False: A tuple can be modified after creation.

Answer 42

False

Question 43

What command would you use to remove an item from a dictionary?

Answer 43

'del my_dict[key]'

Question 44

What is the syntax to define a class in Python?

Answer 44

class ClassName:

Question 45

Choose the correct command to sort a list in Python.

Answer 45

'list.sort()'

Question 46

What is the command to get the current working directory?

Answer 46

'os.getcwd()'

Question 47

Fill in the blank: To create a set in Python, you use ________.

Answer 47

curly braces {} or 'set()'

Question 48

What does the 'map()' function do?

Answer 48

Applies a function to all items in an iterable.

Question 49

True or False: The 'filter()' function returns an iterator.

Answer 49

True

Question 50

What command would you use to create a virtual environment?

Answer 50

'python -m venv env_name'

Question 51

Fill in the blank: To concatenate two strings, use ________.

Answer 51

'+' operator.

Question 52

What is the command to check if a key exists in a dictionary?

Answer 52

'key in my_dict'

Question 53

What is the output of 'print(3 ** 2)'?

Answer 53

9