Multi class classification Python example

Example: multiclass classification model

knn=KNeighborsClassifier()
svc=SVC()
lr=LogisticRegression()
dt=DecisionTreeClassifier()
gnb=GaussianNB()
rfc=RandomForestClassifier()
xgb=XGBClassifier()
gbc=GradientBoostingClassifier()
ada=AdaBoostClassifier()
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models=[]
models.append(('KNeighborsClassifier',knn))
models.append(('SVC',svc))
models.append(('LogisticRegression',lr))
models.append(('DecisionTreeClassifier',dt))
models.append(('GaussianNB',gnb))
models.append(('RandomForestClassifier',rfc))
models.append(('XGBClassifier',xgb))
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from sklearn.metrics import classification_report,confusion_matrix,accuracy_score,roc_curve,auc,recall_score
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Model=[]
score=[]
cv=[]

for name,model in models:
    print('*****************',name,'*******************')
    print('\n')
    Model.append(name)
    model.fit(x_train,y_train)
    print(model)
    pre=model.predict(x_test)
    print('\n')
    AS=accuracy_score(y_test,pre)
    print('Accuracy_score  -',AS)
    score.append(AS*100)
    print('\n')
    sc=cross_val_score(model,x,y,cv=10,scoring='accuracy').mean()
    print('cross_val_score  -',sc)
    cv.append(sc*100)
    print('\n')
        
    print('classification report\n',classification_report(y_test,pre))
    print('\n')
    cm=confusion_matrix(y_test,pre)
    print(cm)
    print('\n')
    plt.figure(figsize=(10,40))
    plt.subplot(911)
    plt.title(name)
    print(sns.heatmap(cm,annot=True))
    
    
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result=pd.DataFrame({'Model':Model,'Accuracy_score':score,'Cross_val_score':cv})
result