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Python String Methods Quiz

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Questions and Answers

What is the purpose of the `str.capitalize()` method?

It capitalizes the first letter of each word in the string.

It returns a copy of the string with the first letter uppercase and the rest lowercase. (correct)

It returns a copy of the string with all letters capitalized.

It modifies the original string by capitalizing the first letter and lowercasing the rest.

Which of the following best describes the behavior of the `str.count(s)` method?

It returns the number of times the substring `s` appears in the string, including overlapping occurrences.

It returns the total number of characters in the string.

It returns the index of the first occurrence of the substring `s` in the string.

It returns the number of non-overlapping occurrences of the substring `s` in the string. (correct)

What is the purpose of the `str.endswith(end)` method?

It returns `True` if the string ends with the characters in the `end` string, and `False` otherwise. (correct)

It removes the characters in the `end` string from the end of the string.

It checks if the string contains the characters in the `end` string, regardless of their position.

It returns `True` if the string starts with the characters in the `end` string, and `False` otherwise.

What does the `str.find(s, beg, end)` method do?

It returns the index of the first occurrence of the substring <code>s</code> between indices <code>beg</code> (inclusive) and <code>end</code> (exclusive) in the string, or -1 if <code>s</code> is not found in that range. Signup and view all the answers

What is the purpose of the `str.format(*expressions)` method?

It returns a new string made by substituting placeholder fields in the string with the provided expressions. Signup and view all the answers

Which of the following is true about the `str.find(s)` method?

It is case-sensitive and returns the index of the first occurrence of the substring <code>s</code> in the string, or -1 if <code>s</code> is not found. Signup and view all the answers

What is the difference between `str.find(s)` and `str.find(s, beg)`?

The <code>str.find(s)</code> method returns the index of the first occurrence of <code>s</code> in the entire string, while <code>str.find(s, beg)</code> returns the index of the first occurrence of <code>s</code> starting from index <code>beg</code>. Signup and view all the answers