Variables, Expressions and Statements Flashcards
value
One of the basic units of data, like a number or string, that a program manipulates.
type
A category of values. The types we have seen so far are integers (type int), floating-point numbers (type float), and strings (type str).
integer
A type that represents whole numbers.
floating-point
A type that represents numbers with fractional parts.
string
A type that represents sequences of characters.
variable
A name that refers to a value.
statement
A section of code that represents a command or action. So far, the statements we have seen are assignments and print statements.
assignment
A statement that assigns a value to a variable.
state diagram
A graphical representation of a set of variables and the values they refer to.
keyword
A reserved word that is used by the compiler to parse a program; you cannot use keywords like if, def, and while as variable names.
operator
A special symbol that represents a simple computation like addition, multiplication, or string concatenation.
operand
One of the values on which an operator operates.
floor division
The operation that divides two numbers and chops off the fraction part.
expression
A combination of variables, operators, and values that represents a single result value.
evaluate
To simplify an expression by performing the operations in order to yield a single value.
