Key terms in programming

	Definition	Example
Variable	A named storage location that holds a value which can change during program execution	Value = 2 Value = 5
Constants	A value that does not change once set during the program (in Python, constants are written in uppercase)	PI = 3.14159
Input	Data entered by the user	name = input(“Enter your name:”)
Output	Information displayed to the user	print(“Hello”, name)
Assignments	Storing a value in a variable using the = symbol	x = 5
Syntax error	An error caused by breaking the rules of the programming language	Missing a colon at the end of an if statement in Python

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