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Engr 102 exam 2 (lectures 7-13) Questions and Answers with Complete Solutions |100% Pass
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Engr 102 exam 2 (lectures 7-13) Questions and Answers with Complete Solutions |100% Pass
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Engr 102 exam 2 (lectures 7-13) Questions andAnswers with Complete Solutions |100% Pass
why we pass data to/from functions - ✔✔functions are separate parts of the code and
may have different access to data in the main code
how we pass data to /from functions - ✔✔through parameters/arguments
how is data returned from a function - ✔✔return values
tuples - ✔✔like a list, immutable, can still use computations
format of types - ✔✔commas -- tuple1 = 1, 2, 3
parenthesis -- tuple2 = (1, 2, 3)
returning tuples - ✔✔a function can only return 1 value, but that value can be a tuple
where do we get functions? - ✔✔built in functions, user written functions, import
from modules
,modules - ✔✔single file with code that someone else wrote
multiple modules - ✔✔package
type of organization in modules - ✔✔library
importing modules - ✔✔modules define functions
importing a whole modules - ✔✔import <whole name>
to use imported modules - ✔✔<module name>.<function name>(argument)
importing an individual module - ✔✔from <module name> import <function name>
to use individual modules - ✔✔dont need to call them first
packages - ✔✔collection of related modules
how to use packages - ✔✔<package>.<module name> (submodule)
, function definition - ✔✔def <function> (parameters) : -- "header"
do something
common practice when defining functions - ✔✔define all functions above main body of code
common structure of overall program - ✔✔1- import statements
2- define functions
3- main code
function body = - ✔✔own "separate" program
variables in functions - ✔✔you can create variables in function body and they'll live other
area, since they live somewhere else... you can reuse variable names
scopes - ✔✔a scope of a variable refers to the regions of the program that the variable is
valid and can be accessed.
2 types of scopes - ✔✔global or local
global scopes - ✔✔a variable defined throughout the program, can be used anywhere
in program
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