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from tkinter import Tk, Label, Button, Entry
class Root(Tk): def init(self): super().init() self.title_label = Label(self, text="A simple eval-based calculator, \nnot for production usage :)") self.title_label.pack() self.entry = Entry(self) self.entry.pack() self.entry.insert(0, "1+2") self.label = Label(self, text="") self.label.pack() self.button = Button(self, text="enter", command=self.onclick) self.button.pack()
def onclick(self): self.label.configure(text=str(eval(self.entry.get())))
root = Root() root.mainloop()
from tkinter import Tk, Label, Button, Entry
class Root(Tk):
def init(self):
super().init()
self.title_label = Label(self, text="A simple eval-based calculator, \nnot for production usage :)")
self.title_label.pack()
self.entry = Entry(self)
self.entry.pack()
self.entry.insert(0, "1+2")
self.label = Label(self, text="")
self.label.pack()
self.button = Button(self, text="enter", command=self.onclick)
self.button.pack()
root = Root()
root.mainloop()
![Image](https://github.com/petermb9/my-turtle-python/assets/69215418/069cb864-6eaf-47cf-b53d-a18c429507d9
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