get object attributes python

x = getattr(t, 'attr1')
setattr(t, 'attr1', 21)

import inspect

class myclass:
  a = 5
  def method(b):
    return b

for i in inspect.getmembers(myclass):
  print(i)

field_name = "fullName"
print getattr(user, field_name) # prints content of user.fullName