更新 'tt.py'

tt.py

@@ -1,34 +1,23 @@
-def toList(s):
+from Tkinter import *
+def UPN():    
+    root.title('umgekehrte polnische Notation')
+    root.resizable(False,False)
+    root.geometry('400x500+200+100')
 
-    L = []
-    for i in s:
-        if i != '\n':
-            L.append(i)
-    return L
+    UI = LabelFrame(root)
+    UI.place(x = 1,y = 1,width = 398,height = 124)
 
-def f(i,s,S = None):
-    
-    if not S:
-        S = []
-        
-    if i == len(s):
-        return S[0]
+    UPN.text = Text(UI)
+    UPN.text.place(x=1,y=1,width=390,height=116)
 
-    a = s[i]
-    if a.isdigit():
-        S.append(a)
-        return f(i+1,s,S)
-    else:
-        c = S.pop()
-        d = S.pop()
-        e = '%s%s%s'%(c,a,d)
-        S.append(eval(e))
-        return f(i+1,s,S)
-
-x = raw_input()
-s = ""
-while x != '=\n':
-    s += x
-    x = raw_input() + '\n'
-
-print f(0,toList(s))
+    Li=[['7','8','9','+','DEL'],
+        ['4','5','6','-','Enter'],
+        ['1','2','3','*','='],
+        ['0','00','.','/','Clear']]
+ 
+    for i in range(len(Li[0])):
+        for j in range(len(Li)):
+            bt = Button(root)
+            bt.place(x=(i+1)*60,y=120+(j+1)*60,width=50,height=50)
+            bt['text'] = Li[j][i]
+            bt.bind('<Button-1>',response,add=(root,))