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Questions and Answers

What character is used in Python to begin a comment?

  • --
  • # (correct)
  • //
  • /*

    • Which of the following statements is true regarding Python keywords?

  • They can be used as variable names.
  • They consist of uppercase letters only.
  • They only contain lowercase letters. (correct)
  • They must contain at least one number.

    • What is the purpose of the line continuation character (") in Python?

  • To terminate a multiline statement.
  • To start a new block of code.
  • To comment out a line of code.
  • To indicate that the line should continue. (correct)

    • Which type of quotes can be used for string literals in Python?

    <p>Single, double, and triple quotes</p> Signup and view all the answers

    How does Python handle indentation in code blocks?

    <p>All lines in a block must have the same amount of indentation.</p> Signup and view all the answers

    What does a blank line in Python signify?

    <p>It is ignored by the interpreter.</p> Signup and view all the answers

    What is the effect of using a semicolon (;) in Python?

    <p>It allows multiple statements on the same line.</p> Signup and view all the answers

    What happens when you execute raw_input(“

    Press the enter key to exit.”)?

    <p>It waits for the user to input text.</p> Signup and view all the answers

    What is referred to as a suite in Python?

    <p>A group of individual statements forming a code block</p> Signup and view all the answers

    How is a variable declared in Python?

    <p>By assigning a value to it directly</p> Signup and view all the answers

    What does the equal sign (=) represent in Python?

    <p>An assignment operator for variables</p> Signup and view all the answers

    Which of the following is true about data types in Python?

    <p>Memory is allocated based on the data type of the variable</p> Signup and view all the answers

    What operators are used for string operations in Python?

    <ul> <li>for concatenation and * for repetition</li> </ul> Signup and view all the answers

    How are subsets of strings accessed in Python?

    <p>Using the slice operator [ ] and [:]</p> Signup and view all the answers

    What is the result of an assignment like 'x, y = 1, 2' in Python?

    <p>x is assigned 1 and y is assigned 2</p> Signup and view all the answers

    What keyword initiates a compound statement in Python?

    <p>Both A and B</p> Signup and view all the answers

    What makes Python a great first programming language?

    <p>It is concise and easy to read.</p> Signup and view all the answers

    Who developed Python and when?

    <p>Guido van Rossum in the late 80s and early 90s.</p> Signup and view all the answers

    Which of the following is NOT true about Python?

    <p>Python is strictly a low-level programming language.</p> Signup and view all the answers

    What is a key feature of Python's source code?

    <p>It is available under the GNU General Public License.</p> Signup and view all the answers

    Which Python feature aids in interactive testing and debugging?

    <p>Interactive mode.</p> Signup and view all the answers

    Which of the following statements best defines Python’s portability?

    <p>Python has the same interface across all platforms.</p> Signup and view all the answers

    Which statement is true about Python's readability?

    <p>Python uses English keywords and fewer syntactical constructions.</p> Signup and view all the answers

    What is a common misconception about Python as a programming language?

    <p>It is only useful for machine learning.</p> Signup and view all the answers

    What assumes a default value if not provided in a function call?

    <p>Default arguments</p> Signup and view all the answers

    Which keyword is used to create small anonymous functions in Python?

    <p>lambda</p> Signup and view all the answers

    What is the appropriate syntax to access a value from a dictionary?

    <p>print(dictionary_name[key])</p> Signup and view all the answers

    How are Python dictionaries represented in code?

    <p>With curly brackets</p> Signup and view all the answers

    Which method would you use to retrieve all keys from a dictionary?

    <p>dictionary_name.keys()</p> Signup and view all the answers

    What happens when you modify a copy of a dictionary?

    <p>The opposite dictionary is unchanged</p> Signup and view all the answers

    What indicates a module in Python?

    <p>The module's file name ends with .py</p> Signup and view all the answers

    What is true about variable-length arguments in a function?

    <p>They can handle more arguments than specified</p> Signup and view all the answers

    What function is used to create an empty set?

    <p>set()</p> Signup and view all the answers

    Which operator is used to test for membership in a set?

    <p>in</p> Signup and view all the answers

    What method can be used to remove an element from a set without raising an error if the element is not found?

    <p>discard()</p> Signup and view all the answers

    Which mode should be used with the open() function to append data to an existing file?

    <p>append</p> Signup and view all the answers

    What is returned by the len() function when applied to a set?

    <p>The total number of elements in the set</p> Signup and view all the answers

    Which of the following methods can be used to find the shared elements between two sets?

    <p>intersection()</p> Signup and view all the answers

    What command is used to read an entire file at once in Python?

    <p>read()</p> Signup and view all the answers

    Which statement is false regarding sets in Python?

    <p>Sets can contain duplicate elements.</p> Signup and view all the answers

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