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TKinter Example
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# Imports tkinter and constants | |
import tkinter | |
from tkinter.constants import * | |
# addition function | |
def add(): | |
a = float(num1In.get("1.0",END)) | |
b = float(num2In.get("1.0",END)) | |
ansOut['text'] = str(a + b) | |
#defines window | |
tk = tkinter.Tk() | |
# creates a frame (a place on which to put components) | |
frame = tkinter.Frame(tk, relief=RIDGE, borderwidth=2) | |
#packs frame to fill window | |
frame.pack(fill=BOTH,expand=1) | |
#defines a label (static text to show purporse of input) | |
num1Lb = tkinter.Label(frame, text = "Enter Number One: ") | |
#places component on a grid (colum span shows how many colums it goes through) | |
num1Lb.grid(row=0, column=0, columnspan=2) | |
#defines a text input box (a place to recieve text input) | |
num1In = tkinter.Text(frame, height=1, width=31) | |
#places component on a grid | |
num1In.grid(row=0, column=2, columnspan=2) | |
#same as with number 1 | |
num2Lb = tkinter.Label(frame, text = "Enter Number Two: ") | |
num2Lb.grid(row=1, column=0, columnspan=2) | |
num2In = tkinter.Text(frame, height=1, width=31) | |
num2In.grid(row=1, column=2, columnspan=2) | |
#defines a button (fommand is function but without brackets) | |
btnAdd = tkinter.Button(frame, text="Add", command=add) | |
#places component on a grid | |
btnAdd.grid(row=3, column=0, columnspan=1) | |
#starts window | |
tk.mainloop() |
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