แปลงไฟล์ Python เป็น EXE ง่ายๆ

# Python program to create a simple GUI 
# calculator using Tkinter 

# import everything from tkinter module 
from tkinter import *

# globally declare the expression variable 
expression = "" 


# Function to update expressiom 
# in the text entry box 
def press(num): 
   # point out the global expression variable 
   global expression 

   # concatenation of string 
   expression = expression + str(num) 

   # update the expression by using set method 
   equation.set(expression) 


# Function to evaluate the final expression 
def equalpress(): 
   # Try and except statement is used 
   # for handling the errors like zero 
   # division error etc. 

   # Put that code inside the try block 
   # which may generate the error 
   try: 

      global expression 

      # eval function evaluate the expression 
      # and str function convert the result 
      # into string 
      total = str(eval(expression)) 

      equation.set(total) 

      # initialze the expression variable 
      # by empty string 
      expression = "" 

   # if error is generate then handle 
   # by the except block 
   except: 

      equation.set(" error ") 
      expression = "" 


# Function to clear the contents 
# of text entry box 
def clear(): 
   global expression 
   expression = "" 
   equation.set("") 


# Driver code 
if __name__ == "__main__": 
   # create a GUI window 
   gui = Tk() 

   # set the background colour of GUI window 
   gui.configure(background="light green") 

   # set the title of GUI window 
   gui.title("Simple Calculator") 

   # set the configuration of GUI window 
   gui.geometry("270x150") 

   # StringVar() is the variable class 
   # we create an instance of this class 
   equation = StringVar() 

   # create the text entry box for 
   # showing the expression . 
   expression_field = Entry(gui, textvariable=equation) 

   # grid method is used for placing 
   # the widgets at respective positions 
   # in table like structure . 
   expression_field.grid(columnspan=4, ipadx=70) 

   equation.set('enter your expression') 

   # create a Buttons and place at a particular 
   # location inside the root window . 
   # when user press the button, the command or 
   # function affiliated to that button is executed . 
   button1 = Button(gui, text=' 1 ', fg='black', bg='red', 
                     command=lambda: press(1), height=1, width=7) 
   button1.grid(row=2, column=0) 

   button2 = Button(gui, text=' 2 ', fg='black', bg='red', 
                     command=lambda: press(2), height=1, width=7) 
   button2.grid(row=2, column=1) 

   button3 = Button(gui, text=' 3 ', fg='black', bg='red', 
                     command=lambda: press(3), height=1, width=7) 
   button3.grid(row=2, column=2) 

   button4 = Button(gui, text=' 4 ', fg='black', bg='red', 
                     command=lambda: press(4), height=1, width=7) 
   button4.grid(row=3, column=0) 

   button5 = Button(gui, text=' 5 ', fg='black', bg='red', 
                     command=lambda: press(5), height=1, width=7) 
   button5.grid(row=3, column=1) 

   button6 = Button(gui, text=' 6 ', fg='black', bg='red', 
                     command=lambda: press(6), height=1, width=7) 
   button6.grid(row=3, column=2) 

   button7 = Button(gui, text=' 7 ', fg='black', bg='red', 
                     command=lambda: press(7), height=1, width=7) 
   button7.grid(row=4, column=0) 

   button8 = Button(gui, text=' 8 ', fg='black', bg='red', 
                     command=lambda: press(8), height=1, width=7) 
   button8.grid(row=4, column=1) 

   button9 = Button(gui, text=' 9 ', fg='black', bg='red', 
                     command=lambda: press(9), height=1, width=7) 
   button9.grid(row=4, column=2) 

   button0 = Button(gui, text=' 0 ', fg='black', bg='red', 
                     command=lambda: press(0), height=1, width=7) 
   button0.grid(row=5, column=0) 

   plus = Button(gui, text=' + ', fg='black', bg='red', 
                  command=lambda: press("+"), height=1, width=7) 
   plus.grid(row=2, column=3) 

   minus = Button(gui, text=' - ', fg='black', bg='red', 
                   command=lambda: press("-"), height=1, width=7) 
   minus.grid(row=3, column=3) 

   multiply = Button(gui, text=' * ', fg='black', bg='red', 
                      command=lambda: press("*"), height=1, width=7) 
   multiply.grid(row=4, column=3) 

   divide = Button(gui, text=' / ', fg='black', bg='red', 
                    command=lambda: press("/"), height=1, width=7) 
   divide.grid(row=5, column=3) 

   equal = Button(gui, text=' = ', fg='black', bg='red', 
                   command=equalpress, height=1, width=7) 
   equal.grid(row=5, column=2) 

   clear = Button(gui, text='Clear', fg='black', bg='red', 
                   command=clear, height=1, width=7) 
   clear.grid(row=5, column='1') 

   Decimal= Button(gui, text='.', fg='black', bg='red', 
                    command=lambda: press('.'), height=1, width=7) 
   Decimal.grid(row=6, column=0) 
   # start the GUI 
   gui.mainloop()

python main.py

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