python

• What type of system does Python run on?

  Interpreter system
• Why is indentation important in Python?

  It defines the structure and flow of the code
• When is a variable created in Python?

  When you assign a value to it
• Can a variable in Python change its type after being set?

  Yes, a variable can change type after being set
• What must a variable name in Python start with?

  A letter or underscore character
• Are variable names in Python case-sensitive?

  Yes, variable names are case-sensitive
• What is the purpose of unpacking in Python?

  Extracting values into variables
• What are global variables in Python?

  Variables created outside of a function
• How is the length of an array calculated in Python?

  Length = highest array index + 1
• What is used in Python instead of an array?

  A list
• What is list comprehension in Python?

  A shorter syntax to create a new list based on an existing list
• What are iterable objects in Python?

  Objects from which you can get an iterator
• What are examples of iterable objects in Python?

  • Lists
  • Tuples
  • Dictionaries
  • Sets
  • Strings
• What is the purpose of the print() function in Python?

  To output variables
• How can multiple variables be outputted using print()?

  Using a comma or plus sign
• What does the in() function do in Python?

  It allows input of values into a variable
• What does str() function return in Python?

  Text type
• What does int() function represent in Python?

  Numeric type without decimals
• What does float() function represent in Python?

  Numeric type with one or more decimals
• How are scientific numbers represented in Python?

  With "e" to indicate the power of 10
• What does abs() function return in Python?

  Absolute value
• What does round() function do in Python?

  Rounds a number
• How is a complex number represented in Python?

  With a "j" as the imaginary part
• What is the purpose of list[] in Python?

  To store multiple items in a single variable
• How is a tuple defined in Python?

  Using round brackets ()
• What is the main characteristic of a tuple?

  It is unchangeable
• What does range() function do in Python?

  Returns a sequence of numbers
• What is the purpose of dict{} in Python?

  To store data values in key: value pairs
• What is a characteristic of a dictionary in Python?

  It is unordered
• What does set{} represent in Python?

  Used to store multiple items in a single variable
• What is a characteristic of a set in Python?

  It is unordered
• What does bool() function return in Python?

  True or false
• What does the addition operator (+) do in Python?

  Adds two values
• What does the subtraction operator (-) do in Python?

  Subtracts one value from another
• What does the multiplication operator (*) do in Python?

  Multiplies two values
• What does the division operator (/) do in Python?

  Divides one value by another
• What does the modulo operator (%) do in Python?

  Returns the remainder of a division
• What does the power operator (**) do in Python?

  Raises a number to the power of another
• What does the floor division operator (//) do in Python?

  Divides and returns the largest whole number
• What does the equality operator (==) check in Python?

  Checks if two values are equal