[英]TKinter running through a loop
對於一個基本示例,假設我要運行一個問題列表,並且對於每個問題,我都希望按下一個按鈕,該按鈕會將值“是”或“否”添加到列表中。
window = tk.Tk()
app=tk.Frame(window)
app.grid()
response_list = []
y_button = tk.Button(app,text="yes", command=lambda x="yes": appendResponse(x))
n_button = tk.Button(app,text="no", command=lambda x="no": appendResponse(x))
questions=["q1","q2","q3"]
window.mainloop()
如何使窗口保持打開狀態並顯示所有問題,直到有完整的答案列表?
您可以編寫如下函數:
#STARTS HERE
#Label with question
lbl1 = tk.Label(app, text="Are you a human?")
lbl1.grid()
def appendResponse(resp):
global response_list
questionNo = len(response_list)
if questionNo % 3 == 0:
lbl1.configure(text="Is this a valid question?")
elif questionNo % 3 == 1:
lbl1.configure(text="Is there a better way to do this?")
elif questionNo % 3 == 2:
lbl1.configure(text="Is this what you wanted to do?")
response_list.append(resp)
#FINISHES HERE
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