为什么按钮不能显示数据，在运行时按钮显示出来，但是单击时没有作用

如何解决为什么按钮不能显示数据，在运行时按钮显示出来，但是单击时没有作用

import nltk
from nltk.chat.util import Chat,reflections
import pandas as pd
import ipywidgets as widgets
from ipywidgets import interact,interact_manual,fixed

df = pd.read_excel (r'C:\Users\Desktop\ex\ex_dataset.xlsx',sheet_name='Sheet3')

print ('Travel Suggestion')

pairs=[
   ['My name is (.*)',['hi %1']],['What is Travel Suggestion',['Travel Suggestion is suggest the best of Restaurant or Tourist attraction']],]

widgets.interact_manual.opts['manual_name'] = 'Restaurant'
def Restaurant():
    print(df)
    
interact_manual(Restaurant)
chat = Chat(pairs,reflections)
chat.converse()

解决方法

在chat.converse()运行时，您无法在笔记本中运行其他任何东西。

这是一种适合您需求的解决方法：

单元格[1] ：

import nltk
from nltk.chat.util import Chat,reflections
import pandas as pd
import ipywidgets as widgets
from ipywidgets import interact,interact_manual,fixed

df = pd.read_excel (r'C:\Users\Desktop\ex\ex_dataset.xlsx',sheet_name='Sheet3')

print ('Travel Suggestion')

pairs=[
   ['My name is (.*)',['hi %1']],['What is Travel Suggestion',['Travel Suggestion is suggest the best of Restaurant or Tourist attraction']],]

widgets.interact_manual.opts['manual_name'] = 'Restaurant'
def Restaurant():
    print(df)
    
interact_manual(Restaurant)
chat = Chat(pairs,reflections)

单元格[2] ：

chat.converse()