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# test builtin dir
# dir of locals
print('__name__' in dir())
# dir of module
import sys
print('version' in dir(sys))
# dir of type
print('append' in dir(list))
class Foo:
def __init__(self):
self.x = 1
foo = Foo()
print('__init__' in dir(foo))
print('x' in dir(foo))
# dir of subclass
class A:
def a():
pass
class B(A):
def b():
pass
d = dir(B())
print(d.count('a'), d.count('b'))
# dir of class with multiple bases and a common parent
class C(A):
def c():
pass
class D(B, C):
def d():
pass
d = dir(D())
print(d.count('a'), d.count('b'), d.count('c'), d.count('d'))
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