Update app.py

app.py

@@ -193,7 +193,7 @@ def predict_inverse(hardness_original_target, ys_original_target, metals_to_use,
             result.at[0, columns[1]], columns[-2], columns[-1])
 
 
-example_inputs = [820, 1800, ['Al', 'Fe']]
+example_inputs = [820, 1800, ['Al', 'Fe', 'Ni']]
 
 css_styling = """#submit {background: #1eccd8} 
 #submit:hover {background: #a2f1f6}