Python Data Structures

Which one of the following is a list?

• 2, 3, -5, 4

• {2, 3, -5, 4}

• [2, 3, -5, 4]

• (2, 3, -5, 4)

Which one of the following is a set?

• 2, 3, -5, 4

• (2, 3, -5, 4)

• {2, 3, -5, 4}

• [2, 3, -5, 4]

Which one of the following is a tuple?

• (2, 3, -5, 4)

• [2, 3, -5, 4]

• {2, 3, -5, 4}

• {"0":2, "1":3, "2":-5, "3":4}

Which one of the following is a dictionary?

• {2, 3, -5, 4}

• [2, 3, -5, 4]

• (2, 3, -5, 4)

• {"a":2, "b":3, "c":-5, "d":4}

Select all the methods to create a list.

• a = [-2, 4, 5, 3]

• a = list([-2, 4, 5, 3])

• a = (-2, 4, 5, 3)

• a = tuple([-2, 4, 5, 3])

Select all the methods to create a list.

• a = [-2, 4, 5, 3]

• a = list([-2, 4, 5, 3])

• a = (-2, 4, 5, 3)

• a = tuple([-2, 4, 5, 3])

Select all the methods to create a tuple.

• a = (-2, 4, 5, 3)

• a = list([-2, 4, 5, 3])

• a = [-2, 4, 5, 3]

• a = tuple([-2, 4, 5, 3])

Select all the methods to create a set.

• a = list([-2, 4, 5, 3])

• a = {-2, 4, 5, 3}

• a = set([-2, 4, 5, 3])

• a = dict([-2, 4, 5, 3])

Select all the methods to create a dictionary.

• a = {-2, 4, 5, 3}

• a = {"a": -2, "b": 4, "c": 5, "d": 3}

• a = dict({"a": -2, "b": 4, "c": 5, "d": 3})

• a = dictionary({"a": -2, "b": 4, "c": 5, "d": 3})

Select the important characteristics of Python "lists"

• • Lists are ordered.

• • Lists can contain any arbitrary objects.

• • List elements can be accessed by index.

• • Lists are mutable (can be modify).