Exercise: Data Types

Questions for: Data Types

Which of the following data types is used to represent a sequence of elements that can be modified?
A:
List
B:
Tuple
C:
Set
D:
String
Answer: A
Lists are used to represent a sequence of elements that can be modified, such as adding or removing elements. Tuples and strings are immutable, while sets do not maintain the order of their elements.
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Which of the following data types is used to represent a sequence of elements in no particular order?
A:
List
B:
Tuple
C:
Set
D:
None of the above
Answer: C
Sets are used to represent a sequence of elements in no particular order, with no duplicates allowed.
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Which of the following data types is used to represent a boolean value?
A:
int
B:
float
C:
bool
D:
complex
Answer: C
The bool data type in Python is used to represent boolean values, which can be either True or False.
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Which of the following data types is used to represent a single character?
A:
int
B:
bytes
C:
complex
D:
str
Answer: D
In Python, a single character is represented as a string of length 1. For example, the string "a" represents the character 'a'.
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Which of the following is not a valid string method?
A:
split()
B:
join()
C:
append()
D:
upper()
Answer: C
While lists have an append() method, strings do not. The split(), join(), and upper() methods are all valid string methods in Python.
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