Dictionary: • In Python, a dictionary is defined as an unordered collection of data. • Each element of the dictionary is a key-value pair. • For each key, there is a value mapped to it. • Key is unique throughout the dictionary but the value may not be unique. • Each value in the dictionary can be accessed using the corresponding key value. • The keys in the dictionary cannot be modified but the values can be modified.

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Answer 1

Question

Chapter 9.1, Problem 6CP

Program Plan Intro

Dictionary:

• In Python, a dictionary is defined as an unordered collection of data.

• Each element of the dictionary is a key-value pair.

• For each key, there is a value mapped to it.

• Key is unique throughout the dictionary but the value may not be unique.

• Each value in the dictionary can be accessed using the corresponding key value.

• The keys in the dictionary cannot be modified but the values can be modified.

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Answer 2

Question

Chapter 9.1, Problem 6CP

Program Plan Intro

Dictionary:

• In Python, a dictionary is defined as an unordered collection of data.

• Each element of the dictionary is a key-value pair.

• For each key, there is a value mapped to it.

• Key is unique throughout the dictionary but the value may not be unique.

• Each value in the dictionary can be accessed using the corresponding key value.

• The keys in the dictionary cannot be modified but the values can be modified.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 9.1, Problem 6CP

Program Plan Intro

Dictionary:

• In Python, a dictionary is defined as an unordered collection of data.

• Each element of the dictionary is a key-value pair.

• For each key, there is a value mapped to it.

• Key is unique throughout the dictionary but the value may not be unique.

• Each value in the dictionary can be accessed using the corresponding key value.

• The keys in the dictionary cannot be modified but the values can be modified.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 9.1, Problem 6CP

Program Plan Intro

Dictionary:

• In Python, a dictionary is defined as an unordered collection of data.

• Each element of the dictionary is a key-value pair.

• For each key, there is a value mapped to it.

• Key is unique throughout the dictionary but the value may not be unique.

• Each value in the dictionary can be accessed using the corresponding key value.

• The keys in the dictionary cannot be modified but the values can be modified.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 9.1, Problem 6CP

Program Plan Intro

Dictionary:

• In Python, a dictionary is defined as an unordered collection of data.

• Each element of the dictionary is a key-value pair.

• For each key, there is a value mapped to it.

• Key is unique throughout the dictionary but the value may not be unique.

• Each value in the dictionary can be accessed using the corresponding key value.

• The keys in the dictionary cannot be modified but the values can be modified.

Answer 6

Chapter 9.1, Problem 6CP

Program Plan Intro

Dictionary:

• In Python, a dictionary is defined as an unordered collection of data.

• Each element of the dictionary is a key-value pair.

• For each key, there is a value mapped to it.

• Key is unique throughout the dictionary but the value may not be unique.

• Each value in the dictionary can be accessed using the corresponding key value.

• The keys in the dictionary cannot be modified but the values can be modified.

Answer 7

Chapter 9.1, Problem 6CP

Program Plan Intro

Dictionary:

• In Python, a dictionary is defined as an unordered collection of data.

• Each element of the dictionary is a key-value pair.

• For each key, there is a value mapped to it.

• Key is unique throughout the dictionary but the value may not be unique.

• Each value in the dictionary can be accessed using the corresponding key value.

• The keys in the dictionary cannot be modified but the values can be modified.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 9.1 - An element in a dictionary has two parts. What are...Ch. 9.1 - Which part of a dictionary element must be...Ch. 9.1 - Suppose ' start' : 1472 is an element in a...Ch. 9.1 - Suppose a dictionary named employee has been...Ch. 9.1 - What will the following code display? stuff = {1 :...Ch. 9.1 - Prob. 6CP Ch. 9.1 - Suppose a dictionary named inventory exists. What...Ch. 9.1 - What will the following code display? stuff = {1 :...Ch. 9.1 - What will the following code display? stuff = {1 :...Ch. 9.1 - What is the difference between the dictionary...

Solution Summary: The author explains the syntax to check a key-value pair in dictionary in Python.

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Chapter 9 Solutions