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ex22.md

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Answers for exercise 22

Word / symbol Explanation
print echos the content to the console
< less than
> greater than
>= greater than or equal
<= less than or equal
= assigns value to variable
== comparator, equal to
%s Inserts string into
%d Inserts decimal into
%r displays raw or representative data into
% selects the variable after the string
\n newline escape character used in strings
\t tabulator escape character
raw_input() Query for input from console
argv Argument variable, used to set variables from command line
open() opens a file object
open(file, 'w') opens a file with write permission
read() reads a file object
close() closes a file object
truncate() trunkates a file object
len() finds the length of an object
def Creates a function
def function_name(arguments): The first line of a function
function_name(arguments) How to call an argument
seek() Go to a line in a file object
+= Increments a variable