Created
January 23, 2021 17:39
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Convert the value for Fahrenheit to Celsius and insert the result into lbl_result
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import tkinter as tk | |
def fahrenheit_to_celsius(): | |
"""Convert the value for Fahrenheit to Celsius and insert the | |
result into lbl_result. | |
""" | |
fahrenheit = ent_temperature.get() | |
celsius = (5/9) * (float(fahrenheit) - 32) | |
lbl_result["text"] = f"{round(celsius, 2)} \N{DEGREE CELSIUS}" | |
# Set-up the window | |
window = tk.Tk() | |
window.title("Temperature Converter") | |
window.resizable(width=False, height=False) | |
# Create the Fahrenheit entry frame with an Entry | |
# widget and label in it | |
frm_entry = tk.Frame(master=window) | |
ent_temperature = tk.Entry(master=frm_entry, width=10) | |
lbl_temp = tk.Label(master=frm_entry, text="\N{DEGREE FAHRENHEIT}") | |
# Layout the temperature Entry and Label in frm_entry | |
# using the .grid() geometry manager | |
ent_temperature.grid(row=0, column=0, sticky="e") | |
lbl_temp.grid(row=0, column=1, sticky="w") | |
# Create the conversion Button and result display Label | |
btn_convert = tk.Button( | |
master=window, | |
text="\N{RIGHTWARDS BLACK ARROW}", | |
command=fahrenheit_to_celsius | |
) | |
lbl_result = tk.Label(master=window, text="\N{DEGREE CELSIUS}") | |
# Set-up the layout using the .grid() geometry manager | |
frm_entry.grid(row=0, column=0, padx=10) | |
btn_convert.grid(row=0, column=1, pady=10) | |
lbl_result.grid(row=0, column=2, padx=10) | |
# Run the application | |
window.mainloop() |
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