Python code examples for Beginners
Python code examples for Beginners - Important Points
| 11. | What is the output of the following code snippet? my_tuple = (1, 2, 3, 4) print(my_tuple.index(3)) |
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A. 0
B. 1
C. 2
D. 3
View Answer Discuss Work SpaceAnswer: option c
Explanation:
The index() method is used to return the index of the first occurrence of a specified value in a tuple. In this case, it will return the index of the integer 3 in the tuple my_tuple, which is 2.
| 12. | What is the output of the following code snippet? my_list = [1, 2, 3, 4] print(sum(my_list)) |
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A. 1
B. 10
C. 2.5
D. 5
View Answer Discuss Work SpaceAnswer: option b
Explanation:
The sum() function is used to return the sum of all elements in a list. In this case, it will return the sum of the integers in the list my_list, which is 1 + 2 + 3 + 4 = 10.
| 13. | What is the output of the following code snippet? my_list = [1, 2, 3, 4] my_list.reverse() print(my_list) |
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A. [4, 3, 2, 1]
B. [1, 2, 3, 4]
C. [1, 3, 2, 4]
D. None of the above
View Answer Discuss Work SpaceAnswer: option a
Explanation:
The reverse() method is used to reverse the order of elements in a list. In this case, it will reverse the order of the elements in the list my_list.
| 14. | What is the output of the following code snippet? my_string = "Hello, World!" print(my_string.replace("World", "Python")) |
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A. Hello, World!
B. Hello, Python!
C. Python, World!
D. None of the above
View Answer Discuss Work SpaceAnswer: option b
Explanation:
The replace() method is used to replace a specified substring with another substring in a string. In this case, it will replace the substring "World" with "Python" in the string "Hello, World!", resulting in the string "Hello, Python!".
| 15. | What is the output of the following code snippet? my_list = [1, 2, 3, 4] new_list = [x**2 for x in my_list] print(new_list) |
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A. [1, 2, 3, 4]
B. [1, 4, 9, 16]
C. [2, 4, 6, 8]
D. None of the above
View Answer Discuss Work SpaceAnswer: option b
Explanation:
This code snippet uses a list comprehension to create a new list, where each element is the square of the corresponding element in the list my_list. Therefore, the new list will be [1, 4, 9, 16].