100 thoughts on “Learn Python Programming – 4 – Interactive Shell vs. Script

  1. import turtle
    my_turtle = turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)

  2. import turtle
    my_turtle = turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)

  3. Python 3.6.3 (v3.6.3:2c5fed8, Oct 3 2017, 17:26:49) [MSC v.1900 32 bit (Intel)] on win32
    Type "copyright", "credits" or "license()" for more information.
    >>> import turtle
    >>>
    >>> my_turtle=turtle.Turtle()
    >>> my turtle.forward(200)
    SyntaxError: invalid syntax
    >>> my_turtle.forward(200)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(200)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(200)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(200)
    >>> my_turtle.right(90)
    >>> my_turtle.forward(200)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(200) and my_turtle.left(90)
    >>> my_turtle.left(90)

  4. import turtle

    #window properties
    window = turtle.Screen()
    window.bgcolor("lightgrey")
    #turtle properties
    minhaturt = turtle.Turtle()
    minhaturt.shape("turtle")
    minhaturt.color("blue")
    minhaturt.speed(1)

    def square_turt():
    for i in range(1, 5):
    minhaturt.forward(100)
    minhaturt.left(90)

    square_turt()

  5. >>> import turtle
    >>> my_turtle = turtle.Turtle()
    >>>
    >>> for i in range(4):
    my_turtle.forward(100)
    my_turtle.left(90)

    >>>

  6. it is not work in this is what i typed
    >>> import turtle
    >>>
    >>>
    >>>
    >>> my_turtle = turtle.turtle()
    Traceback (most recent call last):
    File "<pyshell#4>", line 1, in <module>
    my_turtle = turtle.turtle()
    AttributeError: 'module' object has no attribute 'turtle'

  7. i love how u trasfer the computer world to the real world, or more common innerstandable examples…. day 1 due to your proper guidance and mentorship

  8. import turtle
    my_turtle = turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)

  9. Love your videos thanks soo much <3

    import turtle
    my_turtle = turtle.Turtle()
    my_turtle.forward(200)
    my_turtle.left(90)
    my_turtle.forward(200)
    my_turtle.left(90)
    my_turtle.forward(200)
    my_turtle.left(90)
    my_turtle.forward(200)

  10. import turtle

    my_turtle = turtle.Turtle()

    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)

  11. import turtle

    my_turtle = turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward (100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)

  12. import turtle

    my_turtle = turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.right(90)
    my_turtle.forward(100)
    my_turtle.right(90)
    my_turtle.forward(100)

  13. my_turtle=turtle.Turtle()
    >>> my_turtle.circle(30)
    >>> my_turtle.circle(60)
    >>> my_turtle.circle(90)
    >>> my_turtle.circle(120)
    >>> my_turtle.circle(150)
    >>> my_turtle.circle(180)
    >>> my_turtle.forward(150)
    >>> my_turtle.forward(30)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(300)
    >>> my_turtle.forward(30)
    >>> my_turtle.forward(30)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(360)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(360)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(180)

  14. import turtle
    tt = turtle.Turtle()

    tt.forward(200)
    tt.left(90)
    tt.forward(200)
    tt.left(90)
    tt.forward(200)
    tt.left(90)
    tt.forward(200)

  15. Seeing the turtle make a square is satisfying haha.
    How I made the square! ~
    import turtle

    my_turtle = turtle.Turtle()

    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)

  16. import turtle
    trt = turtle.Turtle();trt.forward(100);trt.left(90);trt.forward(100);trt.left(90);trt.forward(100);trt.left(90);trt.forward(200);trt.right(90);trt.forward(100);trt.right(90);trt.forward(100);trt.right(90);trt.forward(100)

    dude this is insane

  17. Import turtle
    a = turtle.Turtle()
    a.forward(100)
    a.left(90)
    a.forward(100)
    a.left(90)
    a.forward(100)
    a.left(90)
    a.forward(100)

  18. import turtle
    my_turtle=turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)

  19. import turtle
    my_turtle=turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)

    print("Yay i wrote my first real thing. What do you think?")

  20. import turtle
    my_turtle = turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.circle(4)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.circle(4)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.circle(100)
    my_turtle.circle(4)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.circle(4)
    my_turtle.circle(100)

    bit diffrent

  21. first letter of my name xD
    import turtle
    x = turtle.Turtle()
    x.forward(200)
    x.back(100)
    x.left(90)
    x.forward(200)
    x.left(90)
    x.forward(100)
    x.left(180)
    x.forward(200)

  22. import turtle
    >>>
    >>>
    >>> my_turtle = turtle.Turtle()
    >>> my_turtle.forward(100)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(100)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(100)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(100)

  23. Hey Qazi,
    i wish to ask you one thing, i am using PyCharm. is it fine or do i have to do some modifications>???

  24. import turtle
    my_turtle=turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)

  25. Traceback (most recent call last):
    File "/Users/Nick/Documents/game.py", line 3, in <module>
    my_turtle.turtle.Turtle()
    NameError: name 'my_turtle' is not defined

  26. import turtle
    x=turtle.Turtle()
    side_num=4
    side_length=100
    angle=360/side_num
    for i in range(side_num):
    x.forward(side_length)
    x.right(angle)
    turtle.done()

  27. import turtle
    my_turtle=turtle.Turtle()
    my_turtle.forward(50)
    my_turtle.right(90)
    my_turtle.forward(50)
    my_turtle.right(90)
    my_turtle.forward(50)
    my_turtle.right(90)
    my_turtle.forward(50)

  28. import turtle
    x=turtle.Turtle()
    x.circle(200)
    x.penup()
    x.goto(0,8)
    x.pendown()
    x.circle(70)
    x.penup()
    x.goto(100,160)
    x.pendown()
    x.circle(50)
    x.circle(30)
    x.penup()
    x.goto(-100,160)
    x.pendown()
    x.circle(50)
    x.circle(30)
    x.penup()
    x.forward(1000)
    turtle.done()

  29. import turtle

    my_turtle = turtle.Turtle()

    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)

  30. import turtle
    >>> my_turtle=turtle.Turtle()
    >>> my_turtle.forward(100)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(100)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(100)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(100)
    >>> my_turtle.left(90)

  31. import turtle

    my_turtle = turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)

  32. import turtle

    my_turtle= turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)

    This will make a square

  33. import turtle
    my_turtle = turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)

  34. You can simply use a loop to draw a square
    import turtle
    for steps in range(4):
    turtle.forawrd.(100)
    turtle.right(90)

  35. Hey bro I am watching your videos and subscribing. I want to invite you over to steemit https://steemit.com/@stateless1?r=stateless1 You can make alot of crypto there. I hope you check it out and apply for an account. they are still free

  36. import turtle
    >>> my_turtle = turtle.Turtle()
    >>> my_turtle.forward(300)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(300)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(300)
    >>> my_turtle.left(90)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(300)

  37. import turtle
    my_turtle = turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.right(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.right(90)
    my_turtle.forward(200)
    my_turtle.right(90)
    my_turtle.forward(100)
    my_turtle.right(90)
    my_turtle.forward(200)
    my_turtle.right(180)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(200)

  38. import turtle
    my_turtle = turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)

  39. Sir, I have made a word 'PYTHON' with the use of turtle should I paste that code in to this comment section???

  40. import turtle
    my_turtle = turtle.Turtle()
    my_turtle.forward(100)

    my_turtle.left(90)
    my_turtle.forward(100)

    my_turtle.left(90)
    my_turtle.forward(100)

    my_turtle.left(90)
    my_turtle.forward(100)

  41. import turtle

    my_turtle = turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.right(90)
    my_turtle.forward(100)
    my_turtle.right(90)
    my_turtle.forward(100)
    my_turtle.right(90)
    my_turtle.forward(100)

  42. import turtle
    my_turtle= turtle.Turtle()
    my_turtle.forward(200)
    my_turtle.left(90)
    my_turtle.forward(200)
    my_turtle.left(90)
    my_turtle.forward(200)
    my_turtle.left(90)
    my_turtle.forward(200)

  43. import turtle
    my_turtle = turtle.Turtle()
    my_turtle.forward(200)
    my_turtle.left(90)
    my_turtle.forward(200)
    my_turtle.left(90)
    my_turtle.forward(200)
    my_turtle.left(90)
    my_turtle.forward(200)

  44. import turtle
    my_turtle=turtle.Turtle()
    my_turtle=turtle.forward(275)
    my_turtle=turtle.left(90)
    my_turtle=turtle.forward(275)
    my_turtle=turtle.left(90)
    my_turtle=turtle.forward(275)
    my_turtle=turtle.left(90)
    mt_turtle=turtle.forward(275)

  45. import turtle

    my_turtle = turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)

  46. my_turtle=turtle.TURTLE
    AttributeError: module 'turtle' has no attribute 'TURTLE' what does it mea
    ns sir

  47. import turtle
    tim = turtle.Turtle()
    tim.forward (100)
    tim.right (90)
    tim.forward (100)
    tim.right (90)
    tim.forward (100)
    tim.right (90)
    tim.forward (100)
    tim.right (90)

  48. import turtle
    tacky=turtle.Turtle()
    tacky.forward(100)
    tacky.right(90)
    tacky.forward(100)
    tacky.right(90)
    tacky.forward(100)
    tacky.right(90)
    tacky.forward(100)

  49. import turtle
    my_turtle = turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)

  50. import turtle
    my_turtle = turtle.Turtle()
    my_turtle.forward(200)
    my_turtle.left(90)
    my_turtle.forward(200)
    my_turtle.left(90)
    my_turtle.forward(200)
    my_turtle.left(90)
    my_turtle.forward(200)

  51. # Make a square with the turtle.
    import turtle
    My_Square= turtle.Turtle() # invoking the turtle class and assigning object name
    My_screen=turtle.Screen() # invoking the screen class and assigning object name
    My_screen.bgcolor("Black") # setting screen back ground color
    My_Square.pencolor("White") # setting square turtle pen color
    My_Square.forward(100) # setting forward mesaurement for moving the trutle
    My_Square.left(90) # setting angel of degree for direction change of turtle
    My_Square.forward(100)
    My_Square.left(90)
    My_Square.forward(100)
    My_Square.left(90)
    My_Square.forward(100)
    My_Square.hideturtle() # removing the turtle

  52. I made more then 1 turtle and created a square with a "X" inside it
    import turtle

    turtle1 = turtle.Turtle()

    turtle2 = turtle.Turtle()

    turtle2 = turtle.Turtle()

    turtle3 = turtle.Turtle()

    turtle4 = turtle.Turtle()

    turtle1.forward(100)

    turtle2.left(90)

    turtle2.forward(100)

    turtle3.left(180)

    turtle3.forward(100)

    turtle4.right(90)

    turtle4.forward(100)

    turtle5 = turtle.Turtle()

    turtle5.left(45)

    turtle5.forward(141.4213562373)

    turtle5.backward(282.8427124746)

    turtle6 = turtle.Turtle()

    turtle6.right(45)

    turtle6.forward(141.4213562373)

    turtle6.backward(282.8427124746)

    turtle6.left(45)

    turtle6.forward(100)

    turtle6.forward(100)

    turtle6.right(90)

    turtle.forward(100)

    turtle6.forward(100)

    turtle6.forward(100)

    turtle6.right(90)

    turtle6.forward(100)

    turtle6.forward(100)

    turtle6.right(90)

    turtle6.forward(200)

    turtle6.left(45)

  53. import turtle

    my_turtle = turtle.Turtle()

    my_turtle.forward(100)
    my_turtle.right(90)
    my_turtle.forward(100)
    my_turtle.right(90)
    my_turtle.forward(100)
    my_turtle.right(90)
    my_turtle.forward(100)

  54. import turtle

    my_turtle = turtle.Turtle()

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

  55. import turtle
    my_turtle = turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)

  56. Got mine to work when I realized how to do it, so here's that code

    import turtle

    my_turtle = turtle.Turtle()

    my_turtle.forward(100)
    my_turtle.right(90)
    my_turtle.forward(100)
    my_turtle.right(90)
    my_turtle.forward(100)
    my_turtle.right(90)
    my_turtle.forward(100)

  57. import turtle

    my_turtle = turtle.Turtle()

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

  58. import turtle

    my_turtle = turtle.Turtle()

    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)
    my_turtle.left(90)
    my_turtle.forward(100)

  59. import turtle
    mt = turtle.Turtle()
    mt.forward(100)
    mt.left(90)
    mt.forward(100)
    mt.left(90)
    mt.forward(100)
    mt.left(90)
    mt.forward(100)

  60. import turtle

    bob = turtle.Turtle()

    bob.forward(100)

    bob.left(90)

    bob.forward(100)

    bob.left(90)

    bob.forward(100)

    bob.left(90)

    bob.forward(100)

  61. Bruh, u need to give a bit of more details in ur videos. U just started by writing import turtle. A beginner won't know what a turtle is. And u never taught that Turtle() function. U just started, and things are gonna go over the minds of beginners.

  62. import turtle
    >>>
    >>> my_turtle = turtle.Turtle()
    >>> my_turtle.forward(100)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(100)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(100)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(100)
    >>> my_turtle.left(90)
    >>> my_turtle.right(90)
    >>> my_turtle.forward(100)
    >>> my_turtle.right(90)
    >>> my_turtle.forward(100)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(100)
    >>> my_turtle.right(90)
    >>> my_turtle.forward(100)
    >>> my_turtle.right(90)
    >>> my_turtle.forward(100)
    >>> my_turtle.right(90)
    >>> my_turtle.forward(100)
    >>> my_turtle.left(90)
    >>> my_turtle.forward(100)
    >>> my_turtle.right(90)
    my_turtle.forward(100)

    >

  63. import turtle

    my_turtle = turtle.Turtle()

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

  64. import turtle
    my_turtle=turtle.Turtle()
    my_turtle.forward(100)
    my_turtle.right(90)
    my_turtle.forward(100)
    my_turtle.right(90)
    my_turtle.forward(100)
    my_turtle.right(90)
    my_turtle.forward(100)

  65. It is say that my turtle is not defined. What can I do. I have made turtle several time. Buy unfortunately don't know why this is happening

  66. Please help! When running the code in the command window, it works fine. However, when running my Turtle_game.py-file, the animation shows up and draws a box. BUT the animation window closes as soon as its drawn and I get the following ERROR messages:

    2019-02-23 05:13:09.883 Python[1311:55258] isPrefsCreateCacheFromEnabledAndDefaultInputSources – can't find anything from GetInputSourceEnabledPrefs, use defaultASCIIKeyLayoutDict = <CFBasicHash 0x7f8ef8c57cb0 [0x7fff86dd58f0]>{type = mutable dict, count = 3,
    entries =>
    0 : <CFString 0x7fff86e43eb8 [0x7fff86dd58f0]>{contents = "InputSourceKind"} = <CFString 0x7fff86e893f8 [0x7fff86dd58f0]>{contents = "Keyboard Layout"}
    1 : <CFString 0x7fff86e75538 [0x7fff86dd58f0]>{contents = "KeyboardLayout ID"} = <CFNumber 0x737 [0x7fff86dd58f0]>{value = +7, type = kCFNumberSInt64Type}
    9 : <CFString 0x7fff86e3ebb8 [0x7fff86dd58f0]>{contents = "KeyboardLayout Name"} = <CFString 0x7fff86e25038 [0x7fff86dd58f0]>{contents = "Swedish – Pro"}
    }

  67. import turtlemy_turtle = turtle.Turtle()
    my_turtle.forward(200)
    my_turtle.left(90)
    my_turtle.forward(200)
    my_turtle.left(90)
    my_turtle.forward(200)
    my_turtle.left(90)
    my_turtle.forward(200)

  68. import turtle

    >>> my_turtle = turtle.Turtle()

    >>> my_turtle.forward(100)

    >>> my_turtle.left(90)

    >>> my_turtle.forward(100)

    >>> my_turtle.left(90)

    >>> my_turtle.forward(100)

    >>> my_turtle.left(90)

    >>> my_turtle.forward(100)

  69. You are superb… Actually amazing but lack of subs doesn't motivate you for creating more and more… Right?

  70. import turtle
    my_turtle = turtle.Turtle()

    my_turtle.forward(200)

    my_turtle.left(90)

    my_turtle.forward(200)

    my_turtle.left(90)

    my_turtle.forward(200)

    my_turtle.left(90)

    my_turtle.forward(200)

  71. import turtle

    my_turtle=turtle.Turtle()

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

  72. import turtle

    my_turtle = turtle.Turtle()

    my_turtle.fd(100)
    my_turtle.lt(90)
    my_turtle.fd(100)
    my_turtle.lt(90)
    my_turtle.fd(100)
    my_turtle.lt(90)
    my_turtle.fd(100)

  73. import turtle

    my_turtle =turtle.Turtle()

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

  74. square code-
    import turtle

    my_turtle = turtle.Turtle()

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

  75. import turtle

    myturtle=turtle.turtle()
    myturtle.forward(100)
    myturtle.right(90)
    myturtle.forward(100)
    myturtle.right(90)
    myturtle.forward(100)
    myturtle.right(100)
    myturtle.forward(100)

  76. import turtle

    my_turtle = turtle.Turtle()

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

    my_turtle.left(90)

    my_turtle.forward(100)

  77. Hi, I am thinking about learning this program and was nervous about it being too complicated for me, but you made it look so easy, now I'm excited. Thank you. You are a great teacher.

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