import turtle 
   t = turtle.Turtle()
   s = turtle.Screen()
   s.bgcolor('black')
   t.speed('fastest')
   colors=["red","orange","yellow","green","blue","purple"]
   for x in range(1200):
       t.color(colors[x%6])
       t.forward(x*.5)
       t.left(149)

   import turtle  
   # Creating turtle  
   t = turtle.Turtle()  
   s = turtle.Screen()  
   s.bgcolor("black")  
   t.pencolor("red")  
      
   a = 0  
   b = 0  
   t.speed(0)  
   t.penup()  
   t.goto(0,200)  
   t.pendown()  
   while(True):  
        t.forward(a)  
        t.right(b)  
        a+=3  
        b+=1  
        if b == 210:  
            break  
        t.hideturtle()  
      
   turtle.done() 

   count_by(1,10) #should return [1,2,3,4,5,6,7,8,9,10]
   count_by(2,5) #should return [2,4,6,8,10]

   import turtle
 
   # initialising variables
   dist = 1
   flag = 500
 
   # initialising turtle
   spiral = turtle.Turtle()
 
   # changing speed of turtle
   spiral.speed(10)
 
   # making pattern
   while flag:
   
    # makes the turtle to move forward
    spiral.forward(dist)
     
    # makes the turtle to move left
    spiral.left(120)
    spiral.left(1)
    dist += 1
    flag -= 1
 
   turtle.done() 

   import turtle as tt

   tt.bgcolor('black')
   tt.pensize(2)
   tt.speed(10)
 
   for i in range(6)   
   for color in ('red', 'magenta', 'blue',
   'cyan', 'green', 'white','yellow'):
        tt.color(color)
        tt.circle(100)
        tt.left(10)
        tt.hideturtle()

 from collections import defaultdict

 if __name__ == '__main__':
     name1, name2 = '', ''
 
 if name := name1 or name2:
     print(name1)
     print('Успешно!')
   else:
     print('Имя не найдено...')... Имя не найдено...