Rounding Floating-Point Numbers in Python
30 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which data type in Python represents values that are whole numbers?

  • String
  • Integer (correct)
  • Floating-point
  • Boolean

What error message is likely to be displayed if a string literal is missing its final single quote?

  • TypeError: Incomplete string
  • NameError: Undefined string
  • SyntaxError: EOL while scanning string literal (correct)
  • ValueError: Missing closing quote

Which mathematical operator in Python can be used for both multiplication and string replication?

  • / (Division)
  • * (Multiplication) (correct)
  • - (Subtraction)
  • + (Addition)

What does the + operator do when applied to two string values in Python?

<p>It concatenates the strings (B)</p> Signup and view all the answers

When evaluating expressions in Python, which operator takes precedence over all others?

<p>** (Exponentiation) (C)</p> Signup and view all the answers

What is the term used to describe combining values with operators where the result is always a single value?

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

What does commenting out code mean?

<p>Using comments to temporarily disable code (D)</p> Signup and view all the answers

How does Python treat a blank line after a comment?

<p>Ignores it (C)</p> Signup and view all the answers

What does the print() function do in Python?

<p>Displays text on the screen (B)</p> Signup and view all the answers

What are the quotes around a string value used for in Python's print() function?

<p>Mark the beginning and end of the string (B)</p> Signup and view all the answers

What does an argument refer to in a function call?

<p>The value passed to the function (C)</p> Signup and view all the answers

What does the input() function do in Python?

<p>Waits for user input from the keyboard (B)</p> Signup and view all the answers

What is the purpose of using the int() function in this context?

<p>To convert the string returned from input() to an integer (B)</p> Signup and view all the answers

Why is it necessary to add 1 to the value obtained from int(myAge)?

<p>To get the correct age value after adding a year (C)</p> Signup and view all the answers

What does the expression str(int(myAge) + 1) evaluate to?

<p>A string value (B)</p> Signup and view all the answers

Why is it mentioned that an integer can be equal to a floating point?

<p>To explain type equivalence in Python (A)</p> Signup and view all the answers

What does the text imply by mentioning 'rounding a floating-point number up'?

<p>Rounding to the nearest whole number above (A)</p> Signup and view all the answers

Why is it necessary to use str() function for printing?

<p>To convert numbers to strings for concatenation (C)</p> Signup and view all the answers

What is a parameter in the context of defining functions in Python?

<p>A variable that stores an argument when a function is called (B)</p> Signup and view all the answers

What does the sep keyword argument in the print() function do?

<p>Replace the default separator with a specified string (D)</p> Signup and view all the answers

What happens to the value stored in a parameter when a function returns?

<p>It is forgotten (D)</p> Signup and view all the answers

In Python, where do global variables exist?

<p>Outside all functions, in the global scope (C)</p> Signup and view all the answers

What is a return statement in Python used for?

<p>Specifying the return value of a function (D)</p> Signup and view all the answers

What happens to local variables when a function ends?

<p>They are destroyed and their values are forgotten (C)</p> Signup and view all the answers

Which term refers to the variable that an argument is stored in when a function is called?

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

How many global scopes are there in a Python program?

<p>One, created at the start of the program and destroyed at the end (C)</p> Signup and view all the answers

Can code in the global scope access local variables?

<p>No, they can only access other global variables (B)</p> Signup and view all the answers

What is the value that a function call evaluates to referred to as?

<p>Return value (C)</p> Signup and view all the answers

What is the term used for a variable existing in a local scope?

<p>Local variable (C)</p> Signup and view all the answers

What should a return statement consist of in Python?

<p>The return keyword and the value or expression the function should return (C)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser