# script is called test.py but it
# implements a module called "test"
# a modules contrains attributes
# an attribute can be, eg. name of a variable
# the built-in datatypes are, nubmers, text(string),
# (and collections) list, tuple, dictionary. file.
# an attribute can also be the name of function
countries.append('china')
countries.append('new zealand')
countries.append('england')
# using a tuple (fixed value list) - for vertices data structures transfer
# i can test my code by printing some value
# but comment it out if used asa module
if __ name__ == '__main__':
#person() #(debugging purposes)
#print(__name__) # return name of module from where it was run