With three while loop and realize a display tkinter

With three while loop and realize a display tkinter

Import Tkinter AS tk
 Import Time 

# input box is a way of dealing with the program, such as program asks you to enter the account password, then it is necessary to provide two input boxes for you. 
INPUT = str_2 ( ' Enter: ' )   # Enter the content they want 
the root = tk.Tk () 

root.geometry ( ' 300x50 ' ) # size to a width of 300 graphical interface high 50 

text_1 = tk.Text (the root , font = ( ' Founder italics ' , 12 is, ' Bold ' ), BG = ' Black ' , FG = ' Red ' , width = 33 is ) 
text_1.grid (Row = 0) 

the whileTrue: 
    
    str_1 = str_2 
    I = 0
     # if two cycles are completed, then sleep for 3 seconds, then operation continues at 
    the while True:
         # If the display elements (characters, English, numbers) number exceeds 16, so long need to be updated, first of all first 
        # delete all the elements, and refresh, then insert the fifteen elements in the display, and then add an element 
        # If the latter element has been less than 16 elements will be inserted in all the remaining elements It can be. 
        IF I == 16 : 
            str_1 = str_1 [. 1 :] 
            text_1.delete ( " 1.0 " , tk.END) 
            root.update 
            I = 15
             IF len (str_1)> 16 :
                 for K inRange (15 ): 
                    text_1.insert (tk.INSERT, str_1 [K]) 
            the else :
                 for K in Range (len (str_1)): 
                    text_1.insert (tk.INSERT, str_1 [K]) 
        the try :   
            text_1.insert ( tk.INSERT, str_1 [I]) 
            the time.sleep ( 0.4 ) 
            I + =. 1 
            root.update () 
        the except :
         # the remaining element exhibits a dynamic effect 
            the while True:
                 IF len (str_1) == 0:
                     BREAK   # exit innermost loop 
                str_1 = str_1 [1:] 
                Text_1.delete ( " 1.0 " , tk.END) 
                root.update () 
                
                for JK in Range (len (str_1)): 
                    text_1.insert (tk.INSERT, str_1 [JK]) 
                    root.update () 
                Time. SLEEP ( 0.4 ) 
                
            BREAK  # exit times a loop inside 
            
    the time.sleep ( . 3 ) 
    
root.mainloop ()

operation result: