实时获取比特币的价格

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from tkinter import * import requests import json   root = Tk() root.title('getData Tool') root.geometry('400x200+600+200') root.config(bg='black')   Label(root,text='价格：',font=('楷体',20),fg='cyan',bg='black').place(x=120,y=50) Label(root,text='涨幅：',font=('楷体',20),fg='cyan',bg='black').place(x=120,y=100)   var1 = StringVar() var2 = StringVar()   def get_btc():     res = requests.get(url='https://openapi.ibtctrade.com/api/coindata/new_currency_v2').text     data = json.loads(res)     last_price = data['data'][0]['last_price']     t24h_change = data['data'][0]['t24h_change']     var1.set(last_price)     var2.set(t24h_change)     root.after(5000,get_btc)   get_btc()   Label(root,font=('楷体',20),fg='cyan',bg='black',textvariable=var1).place(x=200,y=50) Label(root,font=('楷体',20),fg='cyan',bg='black',textvariable=var2).place(x=200,y=100)     root.mainloop()