title: how can i put widget next row using tkinter pack() method?
body: <blockquote>
    <p>how can i put widget next row using tkinter  pack() method??  i used
    pack(side= LEFT) but i can't make like my upload picture . pack(side=
    LEFT) is only left...           i can't put next row widget. i
    wonder..</p>
  </blockquote>
  
  <p>[<img src="https://i.stack.imgur.com/8hKYQ.jpg" alt="I can&#39;t like this image using tkinter.. click to show image">]</p>
  
  <pre><code>from tkinter import *   
  app = Tk()
  
  app.title('')
  app.geometry("800x1200")
  
  
  
  Label(app, text = 'a:').pack(side= LEFT)
  a = Entry(app)
  a.insert(0, "")
  a.pack(side= LEFT)
  
  
  Label(app, text = 'b:').pack(side= LEFT)
  b = Entry(app)
  b.insert(0, "")
  b.pack(side= LEFT)
  
  
  
  
  Label(app, text = 'c:').pack(side= LEFT)
  c = Entry(app)
  c.insert(0, "")
  c.pack(side= LEFT)
  
  
  
  Label(app, text = 'd:').pack(side= LEFT)
  d = Entry(app)
  d.insert(0, "")
  d.pack(side= LEFT)
  
  Label(app, text = 'e:').pack(side= LEFT)
  e = Entry(app)
  e.insert(0, "")
  e.pack(side= LEFT)
  
  
  
  
  
  Label(app, text = 'f:').pack(side= LEFT)
  f = Entry(app)
  f.insert(0, "")
  f.pack(side= LEFT)
  
  
  Label(app, text = 'g:').pack(side= LEFT)
  g = Entry(app)
  g.insert(0, "")
  g.pack(side= LEFT)
  
  
  Label(app, text = 'h:').pack(side= LEFT)
  h = Entry(app)
  h.insert(0, "")
  h.pack(side= LEFT)
  
  
  
  Label(app, text = '').pack()
  text = Text(app, width=100,height=12)
  text.insert('1.0', "text")
  text.pack()
  
  
  
  
  Label(app, text = '').pack()
  text2 = Text(app, width=100,height=12)
  text2.insert('1.0', "text")
  text2.pack()
  
  
  
  Button(app, text = 'save ').pack()
  
  app.mainloop()
  </code></pre>
  
  <blockquote>
    <p>Traceback (most recent call last):   File "D:/34545.py", line 2, in
    
       Label(app, text = 'a:').pack(side= LEFT) NameError: name 'Label' is not defined</p>
  </blockquote>