4. 多行输入框 text # 按钮 # command 执行动作 def insert_point(): var = e.get() t.insert('insert', var) b = tk.Button(root, text='insert point', width=15, height=2, command=insert_point) b.pack() def insert_end(): var = e.get() t.insert('end', var) # t.insert(1.…