lambda X, y: X
f = lambda X, y: X
f(2,2)
2
f([1,1])
<lambda>() missing 1 required positional argument: 'y'
f([1,1],[2,2])
[1,1]
f = lambda X, y: X
f(2,2)
2
f([1,1])
<lambda>() missing 1 required positional argument: 'y'
f([1,1],[2,2])
[1,1]
