Kernel: SageMath (stable)
In [8]:
True
In [9]:
(1, 4)
In [25]:
---------------------------------------------------------------------------
KeyError Traceback (most recent call last)
<ipython-input-25-a2ac5d31cc70> in <module>()
1 v = {a:Integer(5)}
----> 2 v[b]
KeyError: 4
In [34]:
5
In [37]:
(True, True)
In [26]:
True
In [27]:
{1, 4}
In [33]:
1
In [0]: