Python Libraries

Question 1

what are libraries used for

Answer 1

sharing and re-using code among different programs

Question 2

what is the difference between functions and libraries

Answer 2

libraries re-use code among different programs and functions within the same program

Question 3

what are the two types of Python libraries

Answer 3

module and package

Question 4

what is a module

Answer 4

a file that contains definitions and statements

Question 5

what is a package

Answer 5

collection of modules in a hierarchy

Question 6

does module need to be a program

Answer 6

no

Question 7

what a module can contain

Answer 7

for example: classes, variables, functions

Question 8

what is an entry point

Answer 8

if __name__ == “__main__”:

Question 9

is module entry point executed upon import

Answer 9

no

Question 10

in Linux where can you change PYTHONPATH

Answer 10

.bashrc

Question 11

what is needed in each package folder

Answer 11

__init__.py file