Python and Numpy Quiz

Which data structure in Python is mutable and allows duplicate elements?

• Lists

• Tuples

• Dictionaries

• Sets

Which Python data type represents a collection of key-value pairs?

• List

• Tuple

• Dictionary

• Set

What is the result of the boolean expression `True and False or True` in Python?

• True

• False

• Syntax Error

• None

Which method is used to create a Numpy array from a Python list?

• `np.create()`

• `np.array()`

• `np.build()`

• `np.new()`

What is the purpose of broadcasting in Numpy?

• Allowing incompatible arrays to have the same shape

• Adding dimensions to arrays

• Performing element-wise operations on arrays of different shapes

• Copying an array multiple times

Which Numpy function calculates the mean of all elements in an array?

• `np.sum()`

• `np.average()`

• `np.mean()`

• `np.median()`

Which aggregation function in Numpy finds the largest value in an array?

• `np.sum()`

• `np.max()`

• `np.min()`

• `np.average()`

What is the output of slicing a Numpy array `[2, 4, 6, 8]` with `array[1:3]`?

• [2, 4]

• [4, 6]

• [4, 6, 8]

• [6, 8]

In Numpy, which of the following operations can modify the shape of an array without copying its data?

• `reshape`

• `flatten`

• `resize`

• `reorder`

What is an example of a case study application of Numpy arrays?

• Image processing

• Text summarization

• Web scraping

• Database design