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41 lines
1.3 KiB
Python
Executable File
41 lines
1.3 KiB
Python
Executable File
import tkinter as tk
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def fahrenheit_to_celsius():
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"""Convert the value for Fahrenheit to Celsius and insert the
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result into lbl_result.
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"""
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fahrenheit = ent_temperature.get()
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celsius = (5 / 9) * (float(fahrenheit) - 32)
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lbl_result["text"] = f"{round(celsius, 2)} \N{DEGREE CELSIUS}"
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# Set up the window
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window = tk.Tk()
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window.title("Temperature Converter")
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window.resizable(width=False, height=False)
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# Create the Fahrenheit entry frame with an Entry
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# widget and label in it
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frm_entry = tk.Frame(master=window)
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ent_temperature = tk.Entry(master=frm_entry, width=10)
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lbl_temp = tk.Label(master=frm_entry, text="\N{DEGREE FAHRENHEIT}")
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# Layout the temperature Entry and Label in frm_entry
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# using the .grid() geometry manager
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ent_temperature.grid(row=0, column=0, sticky="e")
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lbl_temp.grid(row=0, column=1, sticky="w")
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# Create the conversion Button and result display Label
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btn_convert = tk.Button(
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master=window,
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text="\N{RIGHTWARDS BLACK ARROW}",
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command=fahrenheit_to_celsius
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)
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lbl_result = tk.Label(master=window, text="\N{DEGREE CELSIUS}")
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# Set up the layout using the .grid() geometry manager
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frm_entry.grid(row=0, column=0, padx=10)
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btn_convert.grid(row=0, column=1, pady=10)
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lbl_result.grid(row=0, column=2, padx=10)
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# Run the application
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window.mainloop() |