def buttons(self, master):
box = tk.Frame(master)<EOL>ttk.Button(<EOL>box,<EOL>text="<STR_LIT>",<EOL>width=<NUM_LIT:10>,<EOL>command=self.next_day<EOL>).pack(side=tk.LEFT, padx=<NUM_LIT:5>, pady=<NUM_LIT:5>)<EOL>ttk.Button(<EOL>box,<EOL>text="<STR_LIT:OK>",<EOL>width=<NUM_LIT:10>,<EOL>command=self.ok,<EOL>default=tk.ACTIVE<EOL>).pack(side=tk.LEFT, padx=<NUM_LIT:5>, pady=<NUM_LIT:5>)<EOL>ttk.Button(<EOL>box,<EOL>text="<STR_LIT>",<EOL>width=<NUM_LIT:10>,<EOL>command=self.cancel<EOL>).pack(side=tk.LEFT, padx=<NUM_LIT:5>, pady=<NUM_LIT:5>)<EOL>self.bind("<STR_LIT:n>", self.next_day)<EOL>self.bind("<STR_LIT>", self.ok)<EOL>self.bind("<STR_LIT>", self.cancel)<EOL>box.pack()<EOL>
Add a standard button box.

        Override if you do not want the standard buttons