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expression
A combination of operators and values that evaluate to a single value
Variable
Holds one value at a time.A value that can be used repeatedly throughout the program.
Assignment operator
Allows a program to change the value represented by a variable.
(tells a variable to hold something)
string
Made of any characters inside the double quotes
Concatenation
joining things together
boolean value
A data type that's either true or false
comparison operators
<, >, <=, >=, ==, !=, indicates a boolean expression.
boolean expression
An expression that evaluates to either true or false
function
A named group of programming instructions.
function call
A command that executes the code within a function
logical operator
An “and” (&&) or (||) or not (!) that are used in boolean expressions