问使用Tkinter包管理器定位动态添加的标签

EN

from tkinter import *

class AddSButton(Button):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.config(command=self.click_function)

    def click_function(self):
        # for item in self.master.winfo_children():
        l = Label(self.master, text="texttexttext")
        l.pack(anchor=W)


class Application(Frame):

    def __init__(self, master=None):
        self.setLounge = 21.0
        Frame.__init__(self, master)

        self.frame = LabelFrame(self.master)
        self.frame.grid(row=0, column=0)

        self.frame_input_sc = LabelFrame(self.frame)
        self.frame_input_sc.pack()

        self.input_s_id = Entry(self.frame_input_sc, width=3, borderwidth=3)
        self.input_s_id.grid(row=0, column=0)  # columnspan=3, , sticky=W+E
        self.input_s_id.insert(0, "Id")

        self.input_s_name = Entry(self.frame_input_sc, width=20, borderwidth=3)
        self.input_s_name.grid(row=0, column=1)
        self.input_s_name.insert(0, "Enter text...")

        btn_add_sc = Button(self.frame_input_sc, text="Add", command=self.add_sc_clicked)
        btn_add_sc.grid(row=0, column=2)

    def add_sc_clicked(self):
        sc = self.input_s_name.get().strip()
        id = self.input_s_id.get().strip()

        frame_s = LabelFrame(self.frame)
        frame_s.pack(fill=X)

        lbl_s_id = Label(frame_s, text=id + "    ")
        lbl_s_name = Label(frame_s, text=sc)

        lbl_s_id.grid(row=0, column=0, sticky=N + S)
        lbl_s_name.grid(row=0, column=1, sticky=N + S)

        frame_add_step = LabelFrame(frame_s)
        frame_add_step.grid(row=1, column=0, columnspan=2, sticky=N + S + W + E)

        input_s = Entry(frame_add_step, width=50, borderwidth=3)
        input_s.pack(side=LEFT, anchor=NW)
        input_s.insert(0, "Enter s...")

        btn_add_s = AddSButton(frame_add_step, text="Add")
        btn_add_s.pack(fill=X, anchor=NW)

root = Tk()
app = Application(master=root)
app.mainloop()