Caesar with UI

from tkinter import *

def Encrypt_Caesar():
    Plain_Text = Entry_Input.get()
    Offset = int(Entry_Offset.get())
    Alphabet = " abcdefghijklmnopqrstuvwxyz"
    Encrypted_Text = ""
    for Character in Plain_Text:
        Encrypted_Text += (Alphabet[(Alphabet.find(Character.lower())+Offset)%len(Alphabet)])
    Entry_Input.delete(0,END)
    Entry_Input.insert(0,Encrypted_Text)

def Decrypt_Caesar():
    Cipher_Text = Entry_Input.get()
    Offset = int(Entry_Offset.get())
    Alphabet = " abcdefghijklmnopqrstuvwxyz"
    Decrypted_Text = ""
    for Character in Cipher_Text:
        Decrypted_Text += (Alphabet[(Alphabet.find(Character.lower())-Offset)%len(Alphabet)])
    Entry_Input.delete(0,END)
    Entry_Input.insert(0,Decrypted_Text)

def Brute_Force():
    Cipher_Text = Entry_Input.get()
    Alphabet = " abcdefghijklmnopqrstuvwxyz"
    Text_Brute_Force.delete("1.0",END)
    for Offset in range(0,len(Alphabet)):
        Decrypted_Text = ""
        for Character in Cipher_Text:
            Decrypted_Text += (Alphabet[(Alphabet.find(Character.lower())-Offset)%len(Alphabet)])
        Text_Brute_Force.insert(END, Decrypted_Text+"\n")


Main_Window = Tk()
Main_Window.title("Caesar Tool")
Main_Frame = Frame(Main_Window)

Label_Input = Label(Main_Frame,text="Input")
Label_Offset = Label(Main_Frame,text="Offset")
Entry_Input = Entry(Main_Frame)
Entry_Offset = Entry(Main_Frame)
Button_Encrpyt = Button(Main_Frame,text="Encrypt",command=Encrypt_Caesar)
Button_Decrypt = Button(Main_Frame,text="Decrypt",command=Decrypt_Caesar)
Button_Brute_Force = Button(Main_Frame,text="Brute Force",command=Brute_Force)
Label_Brute_Force = Label(Main_Frame,text="Brute Force Decrypt")
Text_Brute_Force = Text(Main_Frame)

Main_Frame.pack()
Label_Input.grid(row=0,column=0)
Label_Offset.grid(row=1,column=0)
Entry_Input.grid(row=0,column=1)
Entry_Offset.grid(row=1,column=1)
Button_Encrpyt.grid(row=0,column=3)
Button_Decrypt.grid(row=1,column=3)
Button_Brute_Force.grid(row=2,column=3)
Label_Brute_Force.grid(row=3,column=1)
Text_Brute_Force.grid(row=4,column=1)

Main_Window.mainloop()