class myClass(object):
def __init__(self):
self.foo = 100
myInst = myClass()
print hasattr(myInst, 'foo')
print getattr(myInst, 'foo')
print hasattr(myInst, 'bar')
print getattr(myInst, 'bar')
print getattr(c, 'bar', 'oops!')
print setattr(myInst, 'bar', 'my attr')
print dir(myInst)
print getattr(myInst, 'bar')
print delattr(myInst, 'foo')
print dir(myInst)
print hasattr(myInst, 'foo')
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