Exercise: Data Types

Questions for: Data Types

Which of the following data types is used to represent a sequence of Unicode characters that can be modified?
A:
int
B:
float
C:
str
D:
bytearray
Answer: D
The bytearray data type is used to represent a sequence of Unicode characters that can be modified. It is similar to the bytes data type, but it can be modified.
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Which of the following data types is used to represent a sequence of Unicode characters?
A:
int
B:
float
C:
str
D:
bool
Answer: C
The str data type is used to represent a sequence of Unicode characters, such as a string of text.
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Which of the following data types is used to represent a group of related elements that can be accessed using a single variable?
A:
List
B:
Tuple
C:
Set
D:
Dictionary
Answer: D
Dictionaries are used to represent a group of related elements that can be accessed using a single variable. Each element is accessed using a unique key that identifies it within the dictionary.
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Which of the following data types is used to represent a collection of elements in a specific order with duplicates allowed and with the ability to add or remove elements?
A:
List
B:
Tuple
C:
Set
D:
Dictionary
Answer: A
Lists are used to represent a collection of elements in a specific order with duplicates allowed and with the ability to add or remove elements.
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Which of the following data types is used to represent a single, immutable element?
A:
List
B:
Tuple
C:
Set
D:
Dictionary
Answer: B
Tuples are used to represent a single, immutable element in Python. They are similar to lists, but tuples cannot be modified once they are created.
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