Python Programming - Data Types Questions with Answers explain how Python stores and handles different types of data. These Python Data Types Questions are important for TCS, RRB, and SSC exams to strengthen programming fundamentals
Python Data Types
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1. Which of the following is a mutable data type in Python?
Answer: Option
C
Hints: Lists and dictionaries are mutable, meaning their content can be changed after creation.
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2. What is the output of: print(type([]))
<class 'str'> <class 'list'> <class 'tuple'> <class 'dict'>
Answer: Option
B
Hints: The square brackets [] create a list object in Python.
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3. Which data type would be most appropriate for storing a collection of unique items?
list tuple set dictionary
Answer: Option
C
Hints: Sets in Python are unordered collections of unique elements.
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4. What does the following code return: bool("False")
Answer: Option
B
Hints: Any non-empty string evaluates to True in boolean context.
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5. Which of these is an immutable sequence type?
list dictionary set tuple
Answer: Option
D
Hints: Tuples are immutable sequences, while lists are mutable sequences.
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6. What is the data type of (1,)?
Answer: Option
B
Hints: A tuple with single element requires a trailing comma.
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7. Which method would you use to get all keys from a dictionary?
get_keys() keys() all_keys() dict_keys()
Answer: Option
B
Hints: The keys() method returns a view object of all keys in a dictionary.
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8. What is the result of: 3 + 4.5
Answer: Option
B
Hints: Python automatically converts int to float when performing arithmetic with mixed types.
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9. Which of these creates a set in Python?
Answer: Option
D
Hints: Sets are created with curly braces {} or the set() constructor.
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10. What does None represent in Python?
0 False Null value Empty string
Answer: Option
C
Hints: None is a special constant representing the absence of a value or a null value.
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