Game Development Reference
In-Depth Information
encrypting
- To convert a message into a form that resembles garbage data, and cannot
be understood except by someone who knows the ciphr and key used to encrypt the
message.
escape character
- Escape characters allow the programmer to specify characters in
Python that are difficult or impossible to type into the source code. All escape characters
are preceeded by a \ forward backslash character. For example,
\n
displays a newline
character when it is printed.
evaluate
- Reducing an expression down to a single value. The expression
2 + 3 +
1
evaluates to the value
6
.
execute
- The Python interpreter executes lines of code, by evaluating any expressions
or performing the task that the code does.
exit
- When a program ends. "Terminate" means the same thing.
expression
- Values and function calls connected by operators. Expressions can be
evaluated down to a single value.
file editor
- A program used to type in or change files, including files of Python source
code. The IDLE program has a file editor that you use to type in your programs.
floating point numbers
- Numbers with fractions or decimal points are not integers.
The numbers
3.5
and
42.1
and
5.0
are floating point numbers.
flow chart
- A chart that informally shows the flow of execution for a program, and the
main events that occur in the program and in what order.
flow control statements
- Statements that cause the flow of execution to change,
often depending on conditions. For example, a function call sends the execution to the
beginning of a function. Also, a loop causes the execution to iterate over a section of code
several times.
flow of execution
- The order that Python instructions are executed. Usually the
Python interpreter will start at the top of a program and go down executing one line at a
time. Flow control statements can move the flow of execution to different parts of code in
the program.
function
- A collection of instructions to be executed when the function is called.
Functions also have a return value, which is the value that a function call evaluates to.
function call
- A command to pass execution to the code contained inside a function,
also passing arguments to the function. Function calls evaluate to the return value of the
function.
garbage data
- Random data or values that have no meaning.
