Glossary Chpt 2 Flashcards
variable
a name that refers to a value
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 to parse a program; you cannot use keywords like
if, def, and while as variable names.
operand
One of the values on which an operator operates
expression
A combination of variables, operators, and values that represents a single result.
evaluate
To simplify an expression by performing the operations in order to yield a single
value.
statement
A section of code that represents a command or action. So far, the statements we have seen are assignments and print statements.
execute
To run a statement and do what it says.
interactive mode
A way of using the Python interpreter by typing code at the prompt.
script mode
A way of using the Python interpreter to read code from a script and run it.
script
A program stored in a file.
order of operations
Rules governing the order in which expressions involving multiple operators and operands are evaluated.
concatenate
To join two operands end-to-end.
comment
Information in a program that is meant for other programmers (or anyone reading the source code) and has no effect on the execution of the program.
