Quiz Test – Zynum

"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.

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1 / 49

Which Pandas function concatenates DataFrames vertically?

pd.concat()

pd.merge()

pd.append()

pd.stack()

2 / 49

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

class

struct

object

define_class

3 / 49

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

2x3 matrix of ones

2x3 matrix of zeros

2x3 matrix of random numbers

Error

4 / 49

Which Pandas method returns the shape of a DataFrame?

df.shape()

df.shape

df.size()

df.length()

5 / 49

Which PyTorch function loads a saved model?

torch.load()

torch.import()

torch.open()

torch.model_load()

6 / 49

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

int

tuple

list

numpy.max

7 / 49

Which NumPy function computes the median of an array?

numpy.mean()

numpy.median()

numpy.average()

numpy.mode()

8 / 49

Which PyTorch function moves a tensor to GPU?

tensor.cuda()

tensor.to_gpu()

tensor.gpu()

tensor.device("cuda")

9 / 49

In Python, what does is compare?

Values of objects

Memory addresses (identity)

Data types only

ength of objects

10 / 49

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

numpy.linspace()

numpy.arange()

numpy.range()

numpy.spacing()

11 / 49

Which Pandas method is used to change column names?

df.rename()

df.set_columns()

df.change_columns()

df.columns.rename()

12 / 49

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

None

Error

13 / 49

Which PyTorch function sets the random seed?

torch.set_seed()

torch.manual_seed()

torch.seed()

torch.random_seed()

14 / 49

In Python, which keyword is used for exception handling?

try

catch

handle

except

15 / 49

Which NumPy function creates an identity matrix?

numpy.eye()

numpy.identity()

numpy.matrix()

Both a and b

16 / 49

Which Pandas function removes missing values?

df.dropna()

df.clean()df.remove_na()

df.remove_na()

df.delete_na()

17 / 49

Which PyTorch optimizer is commonly used for deep learning?

torch.optim.Adam

torch.optim.SGD

torch.optim.RMSprop

All of the above

18 / 49

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

19 / 49

Which NumPy function returns the index of the maximum value?

numpy.argmax()

numpy.arg_max()

numpy.maxindex()

numpy.indexmax()

20 / 49

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

{1, 2, 2, 3}

{1, 2, 3}

[1, 2, 3]

Error

21 / 49

Which Pandas function merges two DataFrames?

pd.combine()

pd.concat()

pd.merge()

pd.append()

22 / 49

Which PyTorch method is used to save a trained mode

torch.save()

torch.export()

torch.store()

torch.dump()

23 / 49

Which symbol is used for floor division in Python?

24 / 49

In NumPy, which function reshapes an array?

numpy.reshape()

numpy.reformat()

numpy.resize()

numpy.shape()

25 / 49

Which Pandas function returns summary statistics of a DataFrame?

df.describe()

df.summary()

df.info()

df.stats()

26 / 49

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

True

False

None

27 / 49

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

torch.from_numpy()

torch.tensor()

torch.numpy_to_tensor()

torch.as_tensor()

28 / 49

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

func

define

def

function

29 / 49

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

numpy.range()

numpy.linspace()

numpy.arange()

numpy.sequence()

30 / 49

Which Pandas method is used to group data?

df.group()

df.groupby()

df.groups()

df.groupdata()

31 / 49

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

"Hello World"

"HelloWorld"

"Hello+World"

Error

32 / 49

Which Python function returns the data type of a variable?

typeof()

type()

dtype()

class()

33 / 49

In PyTorch, which function initializes model parameters?

torch.nn.init

torch.model.init

torch.optim.init

torch.tensor.init

34 / 49

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

numpy.zeros()

numpy.empty()

numpy.zero_array()

numpy.fill_zero()

35 / 49

Which operator is used for exponentiation in Python?

pow

**2

36 / 49

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

df.head()

df.first()

df.top()

df.rows()

37 / 49

What will list(range(3)) return?

[0, 1, 2]

[1, 2, 3]

0, 1, 2, 3]

[1, 2]

38 / 49

Which PyTorch module is used for building neural networks?

torch.tensor

torch.nn

torch.optim

torch.utils

39 / 49

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

numpy.std()

numpy.variance()

numpy.stdev()

numpy.mean()

40 / 49

Which Python data type is immutable?

List

Dictionary

Tuple

Set

41 / 49

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

Error

42 / 49

Which Pandas function is used to read CSV files?

pandas.open_csv()

pandas.read_file()

pandas.read_csv()

pandas.load_csv()

43 / 49

Which NumPy function is used to horizontally stack two arrays?

numpy.vstack

numpy.append

numpy.hstack

numpy.concatenate

44 / 49

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

True

False

None

Error

45 / 49

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

Data grouping

Data selection

Data filtering

Data transformation

46 / 49

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

numpy.average

numpy.sum

numpy.mean

numpy.median

47 / 49

Which PyTorch function checks if a GPU is available?

torch.gpu.available()

torch.cuda.is_available()

torch.gpu.check()

torch.cuda.enabled()

48 / 49

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

49 / 49

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

numpy.max

numpy.maximum

numpy.argmax

numpy.maxvalue

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