Quiz Test – Online Assignments

"Challenge Your Knowledge – Take the PyNum Quiz!"

Test your skills in Python, NumPy, and PyTorch with our expert-designed quiz. Get instant feedback, track your progress, and see how ready you are for real-world coding challenges.

Fill in your details and begin the test. Let’s see how much you know

NameEmailPhone Number

1 / 98

How do you move a tensor to GPU?

cpu

gpu

cuda

2 / 98

What does step() do?

Updates parameters

Deletes data

Prints data

3 / 98

What does backward() do?

Forward pass

computes gradients

Deletes data

4 / 98

What does a loss function do?

Calculates accuracy

Measures error

Saves model

5 / 98

What is an optimizer used for?

Loading data

Optimizing model parameters

Printing data

6 / 98

What does torch.load() do?

Saves model

Loads model

Deletes model

7 / 98

What does torch.save() do?

Loads model

Saves model

Deletes model

8 / 98

What does model.eval() do?

Training

Evaluation mode

Deletes model

9 / 98

What does model.train() do?

Testing

Enables training mode

Saves model

10 / 98

What does torch.rand() do?

Generates random values

Zeros

Random

11 / 98

What does torch.ones() do?

Creates ones tensor

Zeros

Random

12 / 98

What does torch.zeros() do?

Creates zero tensor

Random values

Ones

13 / 98

What does torch.tensor() do?

Creates tensor

Deletes data

Sorts data

14 / 98

What is a tensor?

List

Multi-dimensional array

String

15 / 98

What is PyTorch used for?

Web development

Machine Learning / Deep Learning

Gaming

16 / 98

What does sort_values() do?

Deletes data

Sorts data

Filters data

17 / 98

What does columns return?

Row names

Column names

Index

18 / 98

What does shape return?

Columns

Rows

(rows, columns)

19 / 98

What does iloc[] do?

Label-based indexing

Integer-based indexing

Delete data

20 / 98

What does loc[] do

Select by label

Delete rows

Sort data

21 / 98

What does describe() return?

Summary statistics

Deletes data

Prints data

22 / 98

What does fillna() do?

Fills missing values

Deletes data

What does concat() do?

23 / 98

Which method removes missing values

remove()

delete()

dropna()

24 / 98

What does tail() return?

First rows

Middle rows

Last rows

25 / 98

What does head() return?

Top rows

Bottom rows

Middle rows

26 / 98

Which function reads a CSV file?

read_file()

read_csv()

open_csv()

27 / 98

How do you create a DataFrame?

pd.make()

pd.DataFrame()

pd.df()

28 / 98

What is a DataFrame in Pandas?

Array

Table-like structure

List

29 / 98

What is Pandas mainly used for?

Web design

Data analysis

Gaming

30 / 98

Question

31 / 98

What does numpy.sum() do?

Multiply

Subtract

Add values

32 / 98

What does numpy.linspace() return?

Evenly spaced values

Random values

Integers

33 / 98

What does numpy.reshape() do?

Deletes data

Changes shape of array

Adds data

34 / 98

What does numpy.max() return?

Average

Maximum value

Minimum

35 / 98

What does numpy.mean() calculate?

Sum

Average

Max

36 / 98

What does numpy.arange() return?

Random numbers

Sorted array

Sequence of numbers

37 / 98

What does numpy.zeros() do?

Creates empty array

Creates array of zeros

None

38 / 98

What will numpy.ones((2,3)) create?

2x3 array of zeros

3x2 array

2x3 array of ones

39 / 98

. What does numpy.array() do?

Creates a list

Creates an array

Creates a dictionary

40 / 98

What does NumPy stand for?

Numeric Program

Number Python

Numerical Python

41 / 98

Which function returns the length of an object?

len

size

count

42 / 98

How do you concatenate strings in Python?

43 / 98

Which function is used to take input from the user?

input

scan

get

44 / 98

Which data type is immutable?

list

tuple

dict

45 / 98

What does None represent in Python?

False

Null value

46 / 98

What is the role of indentation in Python?

Optional

Formatting only

Defines code blocks

47 / 98

Which keyword is used for loops in Python?

loop

for

iterate

48 / 98

Which keyword is used to define a function in Python?

func

define

def

49 / 98

Which symbol is used to create a list in Python?

{}

[]

()

50 / 98

Which Pandas function concatenates DataFrames vertically?

pd.concat()

pd.merge()

pd.append()

pd.stack()

51 / 98

In Python, which keyword is used to create a class?

class

struct

object

define_class

52 / 98

In NumPy, numpy.ones((2,3)) will create:

2x3 matrix of ones

2x3 matrix of zeros

2x3 matrix of random numbers

Error

53 / 98

Which Pandas method returns the shape of a DataFrame?

df.shape()

df.shape

df.size()

df.length()

54 / 98

Which PyTorch function loads a saved model?

torch.load()

torch.import()

torch.open()

torch.model_load()

55 / 98

What will be the output of type( (5,) ) in Python?

int

tuple

list

numpy.max

56 / 98

Which NumPy function computes the median of an array?

numpy.mean()

numpy.median()

numpy.average()

numpy.mode()

57 / 98

Which PyTorch function moves a tensor to GPU?

tensor.cuda()

tensor.to_gpu()

tensor.gpu()

tensor.device("cuda")

58 / 98

In Python, what does is compare?

Values of objects

Memory addresses (identity)

Data types only

ength of objects

59 / 98

Which NumPy function returns evenly spaced numbers over a specified interval?

numpy.linspace()

numpy.arange()

numpy.range()

numpy.spacing()

60 / 98

Which Pandas method is used to change column names?

df.rename()

df.set_columns()

df.change_columns()

df.columns.rename()

61 / 98

What is the output of len([]) in Python?

None

Error

62 / 98

Which PyTorch function sets the random seed?

torch.set_seed()

torch.manual_seed()

torch.seed()

torch.random_seed()

63 / 98

In Python, which keyword is used for exception handling?

try

catch

handle

except

64 / 98

Which NumPy function creates an identity matrix?

numpy.eye()

numpy.identity()

numpy.matrix()

Both a and b

65 / 98

Which Pandas function removes missing values?

df.dropna()

df.clean()df.remove_na()

df.remove_na()

df.delete_na()

66 / 98

Which PyTorch optimizer is commonly used for deep learning?

torch.optim.Adam

torch.optim.SGD

torch.optim.RMSprop

All of the above

67 / 98

What is the output of 3**2 in Python?

68 / 98

Which NumPy function returns the index of the maximum value?

numpy.argmax()

numpy.arg_max()

numpy.maxindex()

numpy.indexmax()

69 / 98

n Python, set([1,2,2,3]) will result in

{1, 2, 2, 3}

{1, 2, 3}

[1, 2, 3]

Error

70 / 98

Which Pandas function merges two DataFrames?

pd.combine()

pd.concat()

pd.merge()

pd.append()

71 / 98

Which PyTorch method is used to save a trained mode

torch.save()

torch.export()

torch.store()

torch.dump()

72 / 98

Which symbol is used for floor division in Python?

73 / 98

In NumPy, which function reshapes an array?

numpy.reshape()

numpy.reformat()

numpy.resize()

numpy.shape()

74 / 98

Which Pandas function returns summary statistics of a DataFrame?

df.describe()

df.summary()

df.info()

df.stats()

75 / 98

What is the output of bool(0) in Python?

True

False

None

76 / 98

. Which PyTorch function converts a NumPy array to a tensor?

torch.from_numpy()

torch.tensor()

torch.numpy_to_tensor()

torch.as_tensor()

77 / 98

In Python, which keyword is used to create a function?

func

define

def

function

78 / 98

Which NumPy function creates a sequence of numbers within a range?

numpy.range()

numpy.linspace()

numpy.arange()

numpy.sequence()

79 / 98

Which Pandas method is used to group data?

df.group()

df.groupby()

df.groups()

df.groupdata()

80 / 98

What is the output of "Hello" + "World"?

"Hello World"

"HelloWorld"

"Hello+World"

Error

81 / 98

Which Python function returns the data type of a variable?

typeof()

type()

dtype()

class()

82 / 98

In PyTorch, which function initializes model parameters?

torch.nn.init

torch.model.init

torch.optim.init

torch.tensor.init

83 / 98

Which NumPy function is used to create an array of zeros?

numpy.zeros()

numpy.empty()

numpy.zero_array()

numpy.fill_zero()

84 / 98

Which operator is used for exponentiation in Python?

pow

**2

85 / 98

In Pandas, which function returns the first n rows of a DataFrame?

df.head()

df.first()

df.top()

df.rows()

86 / 98

What will list(range(3)) return?

[0, 1, 2]

[1, 2, 3]

0, 1, 2, 3]

[1, 2]

87 / 98

Which PyTorch module is used for building neural networks?

torch.tensor

torch.nn

torch.optim

torch.utils

88 / 98

In NumPy, which function is used to compute the standard deviation?

numpy.std()

numpy.variance()

numpy.stdev()

numpy.mean()

89 / 98

Which Python data type is immutable?

List

Dictionary

Tuple

Set

90 / 98

What is the output of len("Python")?

Error

91 / 98

Which Pandas function is used to read CSV files?

pandas.open_csv()

pandas.read_file()

pandas.read_csv()

pandas.load_csv()

92 / 98

Which NumPy function is used to horizontally stack two arrays?

numpy.vstack

numpy.append

numpy.hstack

numpy.concatenate

93 / 98

What will be the result of print(0.3 == 0.1 + 0.2) in Python?

True

False

None

Error

94 / 98

Which type of operation in Pandas is used to filter rows based on a condition?

Data grouping

Data selection

Data filtering

Data transformation

95 / 98

In NumPy, which function is used to compute the mean of an array?

numpy.average

numpy.sum

numpy.mean

numpy.median

96 / 98

Which PyTorch function checks if a GPU is available?

torch.gpu.available()

torch.cuda.is_available()

torch.gpu.check()

torch.cuda.enabled()

97 / 98

In Python, what will be the output of the expression [10, 20] * 3?

[30, 60]

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

[10, 20, 30]

Error

98 / 98

Which NumPy function is used to find the maximum value in an array?

numpy.max

numpy.maximum

numpy.argmax

numpy.maxvalue

Your score is

The average score is 75%