def add_buttons(self, entry: ttk.Entry):
"""Add button to add or remove food from the bill"""
self.update()
parent = self.nametowidget(entry.winfo_parent())
add_button = ttk.Button(
parent,
text="+",
command=lambda x=entry: self._increment(x),
style="small.TButton",
cursor="hand2",
)
minus_button = ttk.Button(
parent,
text="-",
command=lambda x=entry: self._decrement(x),
style="small.TButton",
cursor="hand2",
)
self.entry_buttons.update({entry: (add_button, minus_button)})
