python f.write 中文报错

with open('train_ft.txt', 'w') as f:
    for sen in X_train:
        f.write(sen+'\n')

报错：gbk不识别字符‘u/2022’

解决办法
python3.6.5

with open('train_ft.txt', 'w',encoding='utf-8') as f:
    for sen in X_train:
        f.write(sen+'\n')

搞定