defaultsinspect.getargspec
import inspect
def func(a, b=1):
pass
print(func.__defaults__)
>> (1,)
print(inspect.getargspec(func))
>> ArgSpec(args=['a', 'b'], varargs=None, keywords=None, defaults=(1,))

defaultsinspect.getargspec
import inspect
def func(a, b=1):
pass
print(func.__defaults__)
>> (1,)
print(inspect.getargspec(func))
>> ArgSpec(args=['a', 'b'], varargs=None, keywords=None, defaults=(1,))