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Python String Quiz
This quiz focuses on testing and improving your understanding of Python strings, one of the most widely used data types in programming.
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Question 1
What is the output of the following program?
a = 2
b = '3.77'
c = -8
s = '{0:.4f} {0:3d} {2} {1}'.format(a, b, c)
print(s)
2.0000 2 -8 3.77
2 3.77 -8 3.77
2.000 3 -8 3.77
2.000 2 8 3.77
Question 2
What are strings in Python?
Arrays of bytes representing Unicode characters
Arrays of integers representing characters
Single characters only
Arrays of floats representing characters
Question 3
What does the string method .join() do in Python?
Splits a string into a list
Concatenates a list of strings into one string
Reverses a string
Returns the index of a substring in the string
Question 4
Which method can be used to handle strings with both single and double quotes simultaneously in Python?
Using triple quotes
Using backslash ()
Using parentheses
Using single quotes only
Question 5
How can you print a string without resolving escape sequences in Python?
By using the repr() function
By using the eval() function
By using the str() function
By using the format() function
Question 6
What is the primary reason that updating or deleting characters from a string in Python is not allowed?
Strings are mutable data types
Python strings are immutable data types
Python doesn't support character-level operations on strings
Python string operations are not efficient
Question 7
What is the purpose of the find() function in Python strings?
It returns the position of the last occurrence of a substring within a string.
It returns true if the string begins with a specified prefix.
It returns the position of the first occurrence of a substring within a string.
It returns true if all the letters in the string are lowercased.
Question 8
What does the startswith() function in Python do?
It returns true if all the letters in the string are uppercased.
It returns true if the string starts with a specified prefix.
It returns true if the string ends with a specified suffix.
It returns true if all the letters in the string are lowercased
Question 9
What does the title() method do in Python strings?
It converts the first letter of every word to uppercase and others to lowercase.
It swaps the cases of all letters in the string.
It converts all letters to uppercase.
It converts all letters to lowercase.
Question 10
What is the time complexity of the find() function in Python?
O(log n)
O(n^2)
O(n)
O(1)
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