Mastering Python Data Structures

Mastering Python Data Structures

12th Grade

10 Qs

quiz-placeholder

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Mastering Python Data Structures

Mastering Python Data Structures

Assessment

Quiz

Education

12th Grade

Practice Problem

Hard

Created by

durga p

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What method would you use to add a new key-value pair to a Python dictionary?

dictionary_name.add(new_key, new_value)

dictionary_name.append(new_key, new_value)

Use dictionary_name[new_key] = new_value.

dictionary_name.insert(new_key, new_value)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you retrieve the value associated with a specific key in a dictionary?

Access the value with 'key.value' in the dictionary.

Use 'dictionary.get(key)' to retrieve the value.

Invoke 'dictionary.fetch(key)' to obtain the value.

Use 'dictionary[key]' to get the value.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which function in NumPy creates an array filled with zeros?

numpy.zeros

numpy.ones

numpy.full

numpy.empty

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the output of np.array([1, 2, 3]) + np.array([4, 5, 6])?

[5, 6, 7]

[4, 5, 6]

[1, 2, 3, 4, 5, 6]

[5, 7, 9]

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you reshape a NumPy array from shape (2, 3) to (3, 2)?

Use numpy.transpose(arr)

Use arr.reshape(2, 3)

Use numpy.reshape(arr, (3, 2))

Use numpy.resize(arr, (3, 2))

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the 'groupby' function in Pandas?

To filter out unwanted data entries.

To group data for aggregation or analysis based on specific criteria.

To merge multiple DataFrames into one.

To sort data in ascending order.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you select a specific column from a Pandas DataFrame?

df.select('column_name')

df.get('column_name')

df['column_name'] or df.column_name

df.column('column_name')

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