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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11. How do you check if a key exists in a dictionary?
has_key() contains() in exists()
Answer: Option
C
Hints: The 'in' keyword is used to check for key existence in dictionaries.
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12. What is the output of: print(10 // 3)
Answer: Option
B
Hints: Floor division (//) returns the largest integer less than or equal to the result.
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13. Which data type preserves order and allows duplicates?
set dictionary list frozenset
Answer: Option
C
Hints: Lists maintain insertion order and allow duplicate elements.
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14. What is the result of: bool(0)
Answer: Option
B
Hints: In Python, zero values are considered False in boolean context.
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15. Which method adds an element to the end of a list?
insert() add() push() append()
Answer: Option
D
Hints: append() adds a single element to the end of a list.
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16. What is the data type of range(5)?
list tuple range generator
Answer: Option
C
Hints: The range() function returns a range object, not a list.
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17. Which operator is used for string repetition?
Answer: Option
B
Hints: The asterisk (*) operator repeats strings when used with a string and integer.
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18. What does the get() method do for dictionaries?
Adds a new key-value pair Returns value for key, or default if not found Removes a key-value pair Checks if key exists
Answer: Option
B
Hints: The get() method returns None or a default value if the key is not found, avoiding KeyError.
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19. Which of these is a floating point number?
Answer: Option
B
Hints: Numbers with decimal points are float type in Python.
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20. What is the result of: "hello"[1:4]
Answer: Option
B
Hints: String slicing returns a substring from start index up to but not including end index.
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