How to reach object properties from another class in Python

Question

I'm familiar with other oop languages but new to Python. i wanted to know if this is the right way to define properties in a class

class TwoInputParameters(object):
def __init__(self,firstParameter,secondParameter,operator):
    self.firstParameter= firstParameter
    self.secondParametr = secondParameter
    self.operator = operator

my second question is - how can i reach this properties when given an object of the TwoInputParameters type as a method's input?

thanks a lot!

Class attributes can be accessed using getattr (object, attribute_name) effbot.org/zone/python-getattr.htm — tuned
– tuned, Commented Jan 8, 2016 at 21:05

elegent · Accepted Answer · 2016-01-08 20:37:50Z

1

Yes, this is the right way to define a class and some attributes in its __init__() method -- in Python we commonly use the term attributes and not properties for names following a dot.

To reference attributes just use the pattern objectName . attributeName:

>>> myObject = TwoInputParameters("hello", "foo", 42) #craete a new instance of the TwoInputParameters class
>>> print(myObject.firstParameter) #reference the firstParameter attibute
   "hello"

>>> myObject.secondParametr = "bar" #change an attribute
>>> print(myObject.firstParameter) 
   "bar"

edited Jan 8, 2016 at 20:37

answered Jan 8, 2016 at 20:29

elegent

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