class Worker:
name = "Fox"
age = 54
profession = "Programmer"
language = "python"
def foo(): pass
print(dir(Worker))
'''
run:
['__class__', '__delattr__', '__dict__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__',
'__getattribute__', '__getstate__', '__gt__', '__hash__', '__init__', '__init_subclass__',
'__le__', '__lt__', '__module__', '__ne__', '__new__', '__reduce__', '__reduce_ex__',
'__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', '__weakref__',
'age', 'foo', 'language', 'name', 'profession']
'''