Array-Oriented Programming with NumPy

Question 1

(Fill-In) The NumPy library provides the ______ data structure, which is typically much faster than lists.

Answer 1

ndarray.

Question 2

(Fill-In) Function array creates an array from ______.

Answer 2

an array or other collection of elements.

Question 3

(True/False) By default, NumPy displays trailing 0s to the right of the decimal point in a floating-point value.

Answer 3

False. By default, NumPy does not display trailing 0s in the fractional part of a floating-point value

Question 4

(Fill-In) NumPy function ______ returns an ndarray containing evenly spaced floating-point values.

Answer 4

linspace.

Question 5

(True/False) When one of the operands of an array operator is a scalar, NumPy uses broadcasting to perform the calculation as if the scalar were an array of the same shape as the other operand, but containing the scalar value in all its elements.

Answer 5

True

Question 6

(Fill-In) NumPy functions and calculate variance and standard deviation, respectively.

Answer 6

var, std.

Question 7

(Fill-In) NumPy offers dozens of standalone functions, which it calls _____.

Answer 7

universal functions (or ufuncs).

Question 8

(Fill-In) A view is also known as a(n) ______.

Answer 8

shallow copy.

Question 9

(True/False) The array method copy returns a new array that is a view (shallow copy) of the original array.

Answer 9

False. The array method copy produces a deep copy of the original array.

Question 10

(True/False) Module copy provides function deep_copy, which returns a deep copy of its argument.

Answer 10

False. The name of the function is deepcopy.