Comparing Movie Name Lengths Quiz
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Questions and Answers

In Python, how can you access the last character of a string using negative indexing?

  • str[-len(str)]
  • str[-1] (correct)
  • str[len(str) - 1]
  • str[0]

    • What is the correct way to find the length of a string in Python?

  • length(str)
  • str.len()
  • str.length()
  • len(str) (correct)

    • How can you access the first character of a string in R using string indexing?

  • myString[len(myString)]
  • myString[0]
  • myString[-1]
  • myString[1] (correct)

    • Which of the following correctly accesses the second character of a string 'word' in Python?

    <p>word[2] (D)</p> Signup and view all the answers

    What is the correct way to access the last character of a string 'text' in Python using negative indexing?

    <p>text[-1] (A)</p> Signup and view all the answers

    Which option correctly accesses the second-to-last character of a string in Python using negative indexing?

    <p>text[-2] (C)</p> Signup and view all the answers

    In R, what does subsetting generally refer to?

    <p>Accessing a single item or value (C)</p> Signup and view all the answers

    Which function is used in Python to get the last character of a string?

    <p>[-1] (D)</p> Signup and view all the answers

    What does the len function in Python help with when dealing with strings?

    <p>It returns the total number of characters in a string (B)</p> Signup and view all the answers

    How is slicing different from indexing when working with strings?

    <p>Slicing extracts a substring using two position numbers (D)</p> Signup and view all the answers

    What does a negative index value help achieve in Python string indexing?

    <p>Access the last character of a string (B)</p> Signup and view all the answers

    When using the len function in Python to index the last character, what position is used?

    <p>(len(string) - 1) (A)</p> Signup and view all the answers

    What is the correct way to access the first character of a string in R?

    <p>Using <code>str[1]</code> (D)</p> Signup and view all the answers

    In Python, how would you index the last character of a string?

    <p>str[-1] (A)</p> Signup and view all the answers

    In Python, if the length of a string is 10 characters, what would str[-2] return?

    <p>Second character from the end (D)</p> Signup and view all the answers

    How is the length of a string obtained in Python?

    <p><code>len(str)</code> (D)</p> Signup and view all the answers

    Which index in Python would be used to access the second character of a string?

    <p><code>str[2]</code> (C)</p> Signup and view all the answers

    In R, what does str[-2] represent?

    <p><code>str</code> without the second character (D)</p> Signup and view all the answers

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