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tutorial: python basics mcq (multiple choice questions) with code examples
in this tutorial, we'll cover some fundamental python concepts through multiple-choice questions (mcqs) along with code examples. this format can help reinforce your understanding of python basics while providing immediate feedback on your comprehension. let's dive in!
1. what is the output of the following code snippet?
a) 10
b) 7
c) 25
d) 52
answer: c) 25
explanation: the code calculates the exponentiation of x (5) raised to the power of y (2), resulting in 25.
2. what will be the output of the code below?
a) helloworld
b) hello world
c) hello+world
d) error
answer: a) helloworld
explanation: the + operator concatenates the strings str1 and str2, resulting in "helloworld".
3. which of the following data types is mutable in python?
a) int
b) float
c) list
d) string
answer: c) list
explanation: lists in python are mutable, meaning their elements can be changed after the list is created.
4. what will be the output of the code below?
a) [2, 3, 4]
b) [3, 4]
c) [2, 3]
d) [3, 4, 5]
answer: b) [3, 4]
explanation: slicing my_list from index 2 (inclusive) to index 4 (exclusive) gives [3, 4].
5. what is the correct way to comment multiple lines in python?
a) // this is a comment
b) /* this is a comment */
c) ''' this is a comment '''
d) # this is a comment
answer: d) # this is a comment
explanation: in python, single-line comments start with #, whereas multi-line comments are typically enclosed within triple quotes (''').
now, let's implement these concepts in python code:
feel free to experiment with these examples and further explore python basics through mcqs and code exercises!
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