python - Tkinter calculator error above my ability to fix -


so im trying learn tkinter in python , found code online didn't work ive been messing around it, changing layout , on, cant make math or clear button work, if tell me why , how fix it, grateful.

#import tkinter tkinter import *  root = tk() root.title("calculator") entrybox = entry(root) #set coordinates entry box(columnspan large way fit "7" in corner) entrybox.grid(row=1, column=0, columnspan=42) #defines button def inputzero():     old_value = entrybox.get()     new_value = old_value + "0"     entrybox.delete(0, end)     entrybox.insert(0, new_value) #defines button , how looks 1 = button (root, text="0", command = inputzero, width = 3) one.grid (row = 9, column = 0,)   def inputone():     old_value = entrybox.get()     new_value = old_value + "1"     entrybox.delete(0, end)     entrybox.insert(0, new_value)  1 = button (root, text="1", command = inputone, width = 3) one.grid (row = 8, column = 0, columnspan=1)    def inputtwo():     old_value = entrybox.get()     new_value = old_value + "2"     entrybox.delete(0, end)     entrybox.insert(0, new_value)  2 = button(root, text="2", command = inputtwo, width= 3) two.grid (row = 8, column = 1)   def inputthree():     old_value = entrybox.get()     new_value = old_value + "3"     entrybox.delete(0, end)     entrybox.insert(0, new_value)   3 = button (root, text="3", command = inputthree, width= 3) three.grid (row = 8, column = 2)   def inputfour():     old_value = entrybox.get()     new_value = old_value + "4"     entrybox.delete(0, end)     entrybox.insert(0, new_value)   4 = button (root, text="4", command = inputfour, width =3) four.grid (row = 7, column = 0)   def inputfive():     old_value = entrybox.get()     new_value = old_value + "5"     entrybox.delete(0, end)     entrybox.insert(0, new_value)   5 = button (root, text="5", command = inputfive, width = 3) five.grid (row = 7, column = 1)   def inputsix():     old_value = entrybox.get()     new_value = old_value + "6"     entrybox.delete(0, end)     entrybox.insert(0, new_value)   6 = button (root, text="6", command = inputsix, width = 3) six.grid (row = 7, column =2)   def inputseven():     old_value = entrybox.get()     new_value = old_value + "7"     entrybox.delete(0, end)     entrybox.insert(0, new_value)   7 = button (root, text="7", command = inputseven, width = 3 ) seven.grid (row = 6, column = 0)   def inputeight():     old_value = entrybox.get()     new_value = old_value + "8"     entrybox.delete(0, end)     entrybox.insert(0, new_value)   8 = button (root, text="8", command = inputeight, width = 3) eight.grid (row = 6, column = 1)   def inputnine():     old_value = entrybox.get()     new_value = old_value + "9"     entrybox.delete(0, end)     entrybox.insert(0, new_value)   9 = button (root, text="9", command = inputnine, width = 3) nine.grid (row = 6, column = 2)  def inputadd():     y = entrybox.get()     entrybox_value = entrybox.get()     entrybox.delete(0, end)     entrybox.insert(0, "+")  add = button (root, text="+", foreground="blue", command = inputadd, width=3) add.grid (row = 9, column = 1)  def inputsubtract():     x= entrybox.get ()     entrybox_value = entrybox.get     entrybox.delete(0, end)     entrybox.insert (0, "-") subtract = button (root, text="-", foreground="blue", command = inputsubtract, width=3) subtract.grid (row= 9, column = 2) #defines equals button , on input def inputequals () :     z = inputadd     x+y if z == inputsubtract:     x-y     y= entrybox.get ()     entrybox_value = entrybox.get     entrybox.delete (0, end)     entrybox.insert (0, z) equals = button (root, text="=", command = inputequals, foreground="green", width =5, height=0) equals.grid (row=9, column = 3)  def clear():     entrybox.delete(0, end)     entrybox.insert(0, '0') clear = button (root,text="clr") clear.grid (row=8, column = 3)    root.mainloop()


Comments

Post a Comment

Popular posts from this blog

android - Get AccessToken using signpost OAuth without opening a browser (Two legged Oauth) -

i using signpost oauth access data magento server. have read various tutorials on same , reach point open browser user can enter credentials. however, per requirement have automate part. hence, user should not browser page. have set-up done on server side ( magento ), hit url , returned call page. same through program in android. i have tried below, consumer = new commonshttpoauthconsumer(key, secret); provider = new commonshttpoauthprovider(oauth_init_url,access_token_url, authorize_url); try { provider.retrieverequesttoken(consumer, oauth.out_of_band); log.d("tokens" , consumer.gettoken() + " -- " + consumer.gettokensecret()); } and request tokens. dont know how bypass next step. tried directly accessing accesstoken (stupid of me) provider.retrieveaccesstoken(consumer, "mycallback://callback"); no luck, ends in oauth.signpost.exception.oauthnotauthorizedexception: authorization failed (server replied 401). ...
Read more

org.mockito.exceptions.misusing.InvalidUseOfMatchersException: mockito -

getting error org.mockito.exceptions.misusing.invaliduseofmatchersexception: invalid use of argument matchers! 1 matchers expected, 2 recorded. exception may occur if matchers combined raw values: //incorrect: somemethod(anyobject(), "raw string"); when using matchers, arguments have provided matchers. example: //correct: somemethod(anyobject(), eq("string matcher")); at when( getprogramservice .callservice(any(getprogramtype.class))) .thenreturn(jaxbresponse); please explain error , possible resolution the code posted looks fine; don't see problem it. code before or above causing exception. key here: invalid use of argument matchers! 1 matchers expected, 2 recorded. any , used above, doesn't return "special kind of null" or "special kind of getprogramtype"; don't exist. instead, returns null , side effect puts matcher on stack. whe...
Read more

google shop client API returns 400 bad request error while adding an item -

i'm working on solution add items in google shopping market java application. following tutorial real mess because of missing classes of laste release, after setting 1.5-beta maven managed make base example typecheck correctly classes. still can make simple task of adding 1 item. instead of posting whole code i'm posting part creates product feed. private product createproduct(string id) { product product = new product(); product.title = "red wool sweater"; product.content = new content( "text", "comfortable , soft, sweater keep warm on " + "cold winter nights. red , blue stripes."); product.appcontrol = new appcontrol(); product.appcontrol.addrequireddestination("productads"); product.externalid = id; product.lang = "it"; product.country = "it"; product.condition = "nuovo"; product.price = new price("eu...
Read more