This selects a random student from a class list, stored in a .ss file:from Tkinter import Tk,Button,StringVar,Entry,Labelimport random, tkFileDialog, tkMessageBoxroot= Tk()root.wm_title(Random Student Selector)current=StringVar()kids=[]addKidName=Entry(root)def addkid():    kids.append(addKidName.get())addKid=Button(root, text=Add a student, command=addkid)def choosekid():    try:        chosen=random.choice(kids)    except IndexError:        tkMessageBox.showinfo(Empty class, You need to add a student)    current.set(chosen)chooseKid=Button(root,text=Pick random student, command=choosekid)chosenKid=Label(root,textvariable=current)def loadfile():    global kids    loadedfile=tkFileDialog.askopenfile(mode='r', filetypes=[(Text files,*.ss)])    try:        kids=loadedfile.read().split(,)    except AttributeError:        tkMessageBox.showinfo(No file selected, You need to select a file)loadFile=Button(root,text=Load a class,command=loadfile)def savetofile():    savefile=tkFileDialog.asksaveasfile()    stringToSave=    for i in kids:        stringToSave=stringToSave+i+,    stringToSave=stringToSave[:-1]    savefile.write(stringToSave)saveToFile=Button(root,text=Save a file,command=savetofile) addKid.grid(row=0,column=1)addKidName.grid(row=0,column=0)chooseKid.grid(row=1,column=1)chosenKid.grid(row=1,column=0)loadFile.grid(row=2,column=0)saveToFile.grid(row=2,column=1)root.mainloop()
Selecting a random student from a class list
python;python 2.7;tkinter;tk