Python-list,tuple,Dictionary

1. Examples for list data type

• [1,2,3,4,5]

• ['S','H','R','U','T','H','I']

• {1:"a",2:"b",3:"c",7:"d"}

• ('A','B','C','D')

colors = ["red", "green", "burnt sienna", "blue"]

print(colors[2])

What is the output of the above python code?

• 'blue'

• It causes a run-time error.

• 'burnt sienna'

• 'green'

colors = ["red", "green", "burnt sienna", "blue"]

Which list index would select the value 'red' from the above list?

colors = ("red", "green", "burnt sienna", "blue")

print("yellow" in colors)

What is the result of the yellow in colors expression?

• ValueError: 'yellow' is not in list

• 4

• False

• True

What’s the main difference between Python lists and tuples?

• Lists can hold any data type and tuples can only contain int and str objects.

• Lists are immutable and tuples are mutable.

• Lists are mutable and tuples are immutable.

• Lists are faster and tuples are slower.

  Check Your Answer »

Which of the following are true of Python dictionaries:

• Dictionaries are accessed by key.

• All the keys in a dictionary must be of the same type.

• Dictionaries are mutable.

• A dictionary can contain any object type except another dictionary.

• Dictionaries can be nested to any depth.

Write the Python code that prints out Captain Kirk’s email address from the employee dictionary below:

employee = { "id": 1701, "name": "James T Kirk",

"email": "[e-mail]","position": "captain"}

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