Confusion Matrix

from sklearn.metrics import confusion_matrix

var1 = "Cat"
var2 = "Ant"
var3 = "Bird"
true = [var3, var1, var3, var3, var1, var2]
pred = [var1, var1, var3, var3, var1, var3]
confusion_matrix(true, pred, labels=[var1, var2, var3])
array([[2, 0, 0],
       [0, 0, 1],
       [1, 0, 2]])