在用Python过程中遇到标签无法左切齐
import tkinter as tk
from tkinter.ttk import Separator
import tkinter as tk
root = tk.Tk()
root.title('实例3-35-2')
root.rowconfigure(1, weight=1)
root.columnconfigure(0, weight=1)
lab1 = tk.Label(root, text='label1', bg='pink')
lab1.grid(row=0, column=0, padx=5, pady=5, sticky='w')
lab2 = tk.Label(root, text='Label2', bg='lightblue')
lab2.grid(row=0, column=1, padx=5, pady=5)
lab3 = tk.Label(root, bg='yellow')
lab3.grid(row=1, column=0, columnspan=2, padx=5, pady=5, sticky='wesn')
root.mainloop()
lab2.grid(row=0, column=1, padx=5, pady=5)添加sticky标签‘w’后无法左切齐
这个问题怎么解决