การแก้ปัญหาด้วยภาษา python คำสั่งวนซ้ำ ตอน เต่าวาดรูปคำสั่ง For และ While

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PYTHON

µÇÑ ´Óà¹Ô¹¡ÒúÙÅ¹Õ Boolean
·º·Ç¹¤ÓÊѧè if - elif - else
à§Í×è ¹ä¢·Ò§àÅÍ× ¡
·º·Ç¹¤ÓÊèѧ for
¿˜§¡ª¹èÑ turtle (ോÒ)
¤ÓʧÑè ǹ«éÓ while

¿˜§¡ªÑè¹

·º·Ç¹¤ÓʧèÑ

áÊ´§ªè×Í ¹ÒÁÊ¡ØÅ

ÃѺ¤Ò‹ µÑÇàÅ¢¨Ó¹Ç¹àµçÁࡺç änj㹵ÑÇá»Ã number

ÃѺ¤Ò‹ µÑÇàÅ¢·È¹ÔÂÁà¡çºäÇ㌠¹µÑÇá»Ã sale

¡¨Ô ¡ÃÃÁ·èÕ 6.1 ¨Óä´áŒ ¤‹ä˹

https://docs.google.com/document/d/1kiWi1G9QUx-
PaTXi2JBJTwuPvz7E9lcTj2CJqh4u32M/edit?
usp=sharing

¤Å¡Ô Å§Ô ¤ + ·ÓÊÓà¹Ò µé§Ñ ª×Íè 2912ª×èÍ¡¨Ô ¡ÃÃÁ

µÑÇ´Óà¹¹Ô ¡ÒúÅÙ Õ¹ Boolean and

Height <= 115 and age <=3

¡Ó˹´ãˌ height = 120
¡Ó˹´ãˌ age = 3

True False

µÇÑ ´Óà¹Ô¹¡ÒúÙÅ¹Õ Boolean or

Height <= 115 or age <=3

¡Ó˹´ãˌ height = 120
¡Ó˹´ãˌ age = 3

True False

µÇÑ ´Óà¹¹Ô ¡ÒúÅÙ Õ¹ Boolean not

not Height <= 115

¡Ó˹´ãˌ height = 120

True False

µÇÑ ÍÂҋ §...µÑÇ´Óà¹¹Ô ¡ÒúÅÙ ¹Õ Boolean

age = 12
age > 13 and age < 19 true false
age > 13 or age < 19 true false
not age > 13 true false

¡¨Ô ¡ÃÃÁ·Õè 6.2 àÃÍ×è §¢Í§¤ÇÒÁ¨Ã§Ô

https://forms.gle/WEP975EgonwDm2o79

¤ÅÔ¡Å§Ô ¤ ¡ÃÍ¡ªè×Í Ê¡ØŠˌͧ ãˌ¤Ãº¶ÇŒ ¹

·º·Ç¹¤ÓÊÑè§ if - elif - else
à§Í×è ¹ä¢·Ò§àÅÍ× ¡

2 ·Ò§àÅ×Í¡ ËÅÒ·ҧàÅÍ× ¡

If - else If - elif -else

If à§Í×è ¹ä¢·Ò§àÅ×Í¡ : If à§Í×è ¹ä¢·Ò§àÅÍ× ¡1 :
ªØ´¤ÓÊÑ§è ªØ´¤ÓÊÑ觷Õè 1

else : elIf à§Í×è ¹ä¢·Ò§àÅ×Í¡2 :
ªØ´¤ÓʧÑè ÊØ´·ÒŒ  ªØ´¤ÓÊèѧ·Õè 2

elIf à§èÍ× ¹ä¢·Ò§àÅÍ× ¡3 :
ª´Ø ¤ÓÊèѧ·Õè 3

else :
ªØ´¤ÓʧèÑ ÊØ´·ŒÒÂ

·º·Ç¹¤ÓÊÑè§ if - elif - else
à§Íè× ¹ä¢·Ò§àÅÍ× ¡

2 ·Ò§àÅÍ× ¡ àÃÁÔè µ¹Œ if

If - else à§èÍ× ¹ä¢·Ò§àÅÍ× ¡ 1 ¨ÃÔ§ ªØ´¤ÓÊÑ§è ·Õè 1
à·ç¨
If à§×è͹䢷ҧàÅÍ× ¡ :
ª´Ø ¤ÓʧèÑ ª´Ø ¤ÓʧèÑ Ê´Ø ·ÒŒ Â

else :
ªØ´¤ÓÊÑè§Ê´Ø ·ŒÒÂ

¨º if

µÇÑ ÍÂҋ §à§Í×è ¹ä¢ 2 ·Ò§àÅ×Í¡ if - else
à§èÍ× ¹ä¢·Ò§àÅÍ× ¡

2 ·Ò§àÅ×Í¡ print(“â»Ãá¡ÃÁ»ÃÐàÁ¹Ô ¼Å¡Ò÷´Êͺ”)
score = int(input(“¤Ðá¹¹·´Êͺ = “))
If - else if score >=5 :

If à§Í×è ¹ä¢·Ò§àÅ×Í¡ : print(“¤³Ø Êͺ¼‹Ò¹”)
ªØ´¤ÓʧèÑ else :

else : print(“¤Ø³ÊͺäÁ‹¼‹Ò¹”)
ªØ´¤ÓÊè§Ñ ÊØ´·ÒŒ  ¶ŒÒ score = 5 ¼ÅÅ¾Ñ ¸ (output) ¤Í× ÍÐäÃ??

¤³Ø Êͺ¼Ò‹ ¹

·º·Ç¹¤ÓʧèÑ if - elif - else
à§Í×è ¹ä¢·Ò§àÅÍ× ¡

àÃÔÁè µŒ¹ if ËÅÒ·ҧàÅÍ× ¡

à§Íè× ¹ä¢·Ò§àÅÍ× ¡ 1 ¨Ã§Ô ª´Ø ¤ÓÊÑ觷Õè 1 If - elif -else
à·¨ç ¨Ã§Ô ª´Ø ¤ÓʧèÑ ·èÕ 2
If à§Íè× ¹ä¢·Ò§àÅ×Í¡1 :
à§Íè× ¹ä¢·Ò§àÅÍ× ¡ 2 ªØ´¤ÓÊÑ觷èÕ 1
à·¨ç
elIf à§×è͹䢷ҧàÅ×Í¡2 :
ªØ´¤ÓÊè§Ñ Ê´Ø ·ÒŒ  ªØ´¤ÓÊè§Ñ ·èÕ 2

¨º if elIf à§Íè× ¹ä¢·Ò§àÅ×Í¡3 :
ªØ´¤ÓÊèѧ·èÕ 3

else :
ª´Ø ¤ÓÊÑè§ÊØ´·ÒŒ Â

µÇÑ Í‹ҧà§×èÍ¹ä¢ ËÅÒ·ҧàÅ×Í¡ if - elif - else
à§Íè× ¹ä¢·Ò§àÅÍ× ¡

print(“â»Ãá¡ÃÁ¤Ó¹Ç³à¡Ã´”) ËÅÒ·ҧàÅ×Í¡
sum = int(input(“¤Ðá¹¹ÃÇÁ = “))
if sum >=80 : If - elif -else

print(“¤³Ø ä´àŒ ¡Ã´ A”) If à§×è͹䢷ҧàÅÍ× ¡1 :
elif sum >=70 : ª´Ø ¤ÓÊèѧ·Õè 1

print(“¤Ø³ä´àŒ ¡Ã´ B”) elIf à§×è͹䢷ҧàÅ×Í¡2 :
elif sum >=60 : ªØ´¤ÓʧÑè ·Õè 2

print(“¤³Ø ä´àŒ ¡Ã´ C”) elIf à§Íè× ¹ä¢·Ò§àÅ×Í¡3 :
elif sum >=50 : ªØ´¤ÓÊèѧ·èÕ 3

print(“¤³Ø ä´àŒ ¡Ã´ D”) else :
else : ª´Ø ¤ÓÊÑè§Ê´Ø ·ŒÒÂ

print(“¤³Ø 䴌à¡Ã´ F”)

¶ÒŒ sum = 79 ¼ÅÅѾ¸ (output) ¤×ÍÍÐäÃ??
¤Ø³ä´Œà¡Ã´ B

·´Êͺà¢ÂÕ ¹â»Ãá¡ÃÁ ËÅÒ·ҧàÅ×Í¡ if - elif - else
à§×Íè ¹ä¢·Ò§àÅ×Í¡

¡ÒÃËÒ¾×¹é ·¢èÕ Í§Ç§¡ÅÁ ÊÒÁàËÅÕÂè Á ËÃÍ× ÊèàÕ ËÅÕèÂÁ

ãˌ¹Ñ¡àÃÕ¹à¢ÂÕ ¹â»Ãá¡ÃÁÀÒÉÒ python à¾Íè× ã˼Œ ŒãÙ ªÊŒ ÒÁÒöàÅ×Í¡ä´ÇŒ ‹ÒµÍŒ §¡ÒÃãˤŒ ӹdzâ»Ãá¡ÃÁ¤Ó¹Ç³ËÒ
¾¹×é ·èÕǧ¡ÅÁ ÊÒÁàËÅÂÕè Á ËÃÍ× ÊÕàè ËÅÕèÂÁ

µÇÑ Í‹ҧà¢ÂÕ ¹â»Ãá¡ÃÁ ËÅÒ·ҧàÅÍ× ¡ if - elif - else
à§Íè× ¹ä¢·Ò§àÅ×Í¡

¡ÒÃËÒ¾é×¹·Õè¢Í§Ç§¡ÅÁ ÊÒÁàËÅÂèÕ Á ËÃ×ÍÊÕèàËÅÂÕè Á

ã˹Œ Ñ¡àÃÕ¹à¢Õ¹â»Ãá¡ÃÁÀÒÉÒ python à¾×Íè ã˼Œ ٌãªÊŒ ÒÁÒöàÅÍ× ¡ä´ÇŒ ‹ÒµŒÍ§¡ÒÃãˌ¤Ó¹Ç³â»Ãá¡ÃÁ¤Ó¹Ç³ËÒ
¾×¹é ·èÕǧ¡ÅÁ ÊÒÁàËÅÂèÕ Á ËÃ×ÍÊÕàè ËÅÕèÂÁ

¡¨Ô ¡ÃÃÁ·Õè 6.3 Åͧ¤´Ô ¨Ò¡Ê¶Ò¹¡Òó

https://forms.gle/WEP975EgonwDm2o79

¤Å¡Ô ÅÔ§¤ ¡ÃÍ¡ªÍè× Ê¡ØÅ Ë͌ § ãˌ¤Ãº¶ÇŒ ¹

·º·Ç¹¤ÓʧÑè for

à§×è͹ä¢Ç¹«Óé ¤ÓʧÑè for

µÍ¹ ോÒÇҴûÙ

¤ÓÊÑ§è ·Ó«éÓ

·º·Ç¹¤ÓÊèѧ for

à§èÍ× ¹ä¢Ç¹«éÓ ¤ÓʧÑè for
¤ÓÊѧè ǹ«éÓ ·ÕÁè ըӹǹÃͺṹ‹ ͹

û٠Ẻ¡ÒÃà¢Õ¹¤ÓÊè§Ñ for

for a in range(¨Ó¹Ç¹Ãͺǹ«éÓ) :
print(a)

·º·Ç¹¤ÓÊè§Ñ for

¤ÓÊè§Ñ ¾¹×é °Ò¹ã¹¡ÒÃà¤Å×è͹·Õè fd

forward fd(100)

à´Ô¹µÍ‹ (ÃÐÂзҧ) lt

left lt(100)

Ë¹Ñ «ÒŒ Â(ͧÈÒ㹡ÒÃË¹Ñ ) rt

right rt(100)

Ë¹Ñ ¢ÇÒ(ͧÈÒ㹡ÒÃË¹Ñ )

·º·Ç¹¤ÓʧèÑ for

àÃÂÕ ¡ function turtle from turtle import*
shape(‘turtle’)
from turtle import* for i in range(1) :
fd(100)
from turtle import* lt(50)
shape(‘turtle’)
circle(50,360) output(¼ÅÅ¾Ñ ¸)

·º·Ç¹¤ÓÊè§Ñ for

àÃÂÕ ¡ function turtle from turtle import*
shape(‘turtle’)
from turtle import* for i in range(4) :
fd(100)
from turtle import* lt(90)
forward(100)
left(90) output(¼ÅÅ¾Ñ ¸)
forward(100)
left(90)
forward(100)
left(90)
forward(100)
left(90)

·º·Ç¹¤ÓÊÑè§ for
àÃÕ¡ function turtle from turtle import*

ÁÁØ ¢ÍÃÙ»ËÅÒÂàËÅèÕÂÁ 360/àËÅèÕÂÁ

360 90

?

·º·Ç¹¤ÓÊè§Ñ for
àÃÕ¡ function turtle from turtle import*

ÁÁØ ¢Íû٠ËÅÒÂàËÅèÕÂÁ 360/àËÅèÂÕ Á

360 90 120 72 ?
60 52 45 40

·º·Ç¹¤ÓÊѧè for

àÃÂÕ ¡ function turtle from turtle import*
shape(‘turtle’)
from turtle import* for i in range(3) :
fd(100)
from turtle import* lt(120)
forward(100)
left(120) output(¼ÅÅ¾Ñ ¸)
forward(100)
left(120)
forward(100)
left(120)

·º·Ç¹¤ÓÊÑè§ for

àÃÕ¡ function turtle

from turtle import*

output(¼ÅÅѾ¸)

·º·Ç¹¤ÓʧÑè for

¤ÓÊÑ觾¹é× °Ò¹ã¹Å§ÊÕãˌ¡ºÑ àµÒ‹ ÇҴûÙ

Color color(‘red’)
width(2)
ÊÕàʌ¹(‘Ê·Õ èµÕ ŒÍ§¡ÒÃ’)

width

¢¹Ò´àʹŒ (¢¹Ò´·ÕèµÍŒ §¡ÒÃ)

·º·Ç¹¤ÓÊÑè§ for

àÃÕ¡ function turtle

from turtle import*

output(¼ÅÅѾ¸)

ÃٻˌÒàËÅÂèÕ Á ¢¹Ò´àʌ¹ = 2 ÊÕàʌ¹ = á´§

·º·Ç¹¤ÓÊѧè for

àÃÂÕ ¡ function turtle from turtle import*
shape(‘turtle’)
from turtle import* color(‘red’)
width(2)
output(¼ÅÅѾ¸) for i in range(5) :
fd(100)
lt(72)

ÃÙ»ËҌ àËÅÕèÂÁ ¢¹Ò´àʌ¹ = 2 ÊÕàʹŒ = á´§

·º·Ç¹¤ÓʧèÑ for

¤ÓʧèÑ ¾×鹰ҹ㹠àµÁÔ ÊÕ ãˌ¡ºÑ ോÒÇÒ´ÃÙ»

begin_fill() <==¨Ø´àÃÁÔè µ¹Œ
¤ÓʧèÑ Â͋ Â1
¤ÓÊè§Ñ ‹ÍÂ2
¤ÓÊè§Ñ Â͋ ÂÊ´Ø ·ÒŒ Â

end_fill() <==¨Ø´Ê¹éÔ Ê´Ø

·º·Ç¹¤ÓÊè§Ñ for

àÃÕ¡ function turtle from turtle import*
shape(‘turtle’)
from turtle import* color(‘blue’)
begin_fill()
output(¼ÅÅ¾Ñ ¸) for i in range(6) :
fd(100)
û٠ˡàËÅÂèÕ Á àµÔÁÊÕ¹Óé à§¹Ô lt(60)
end_fill()

·º·Ç¹¤ÓÊѧè for

¤ÓÊèѧ¡»Ò¡¡Ò ÇÒ§»Ò¡¡Ò

pen_up Pu

¡»Ò¡¡Ò(à´Ô¹â´ÂäÁ‹ÁÕàʌ¹) pu()

pen_down pd

ÇÒ§»Ò¡¡Ò(µÓá˹§‹ ,µÓá˹‹§) pd(50,100)

·º·Ç¹¤ÓÊè§Ñ for

àÃÂÕ ¡ function turtle from turtle import*
shape(‘turtle’)
from turtle import* color(‘orange’)
begin_fill()
output(¼ÅÅѾ¸) for i in range (2) :

û٠à¨ç´àËÅÕèÂÁ ÊÊÕ ŒÁ 2 ÃÙ» pu()
fd(150)
pd()
for i in range(7) :

fd(50)
lt(51.43)
end_fill()

·º·Ç¹¤ÓÊèѧ for

àÃÕ¡ function turtle from turtle import*
shape(‘turtle’)
from turtle import* color(‘pink’)
begin_fill()
output(¼ÅÅ¾Ñ ¸) for i in range (8) :

û٠ỴàËÅÕÂè Á ÊªÕ Á¾«Ù ͌ ¹¡¹Ñ rt(45)
for i in range(7) :

fd(50)
lt(51.43)
end_fill()

·º·Ç¹¤ÓʧÑè for

àÃÕ¡ function turtle from turtle import*
shape(‘turtle’)
from turtle import* color(‘green’)
begin_fill()
output(¼ÅÅ¾Ñ ¸) for i in range (4) :

û٠ǧ¡ÅÁ ÊÕà¢ÂÕ ¹«ÍŒ ¹¡¹Ñ ¡ÅѺ´ŒÒ¹ circle(50)
circle(-50
rt(45)
end_fill()

·º·Ç¹¤ÓÊè§Ñ for

àÃÕ¡ function turtle ·´Åͧà¢ÂÕ ¹â»Ãá¡ÃÁോÒÇÒ´ heart

from turtle import*

output(¼ÅÅ¾Ñ ¸)

¶ŒÒµÍŒ §¡ÒÃÇÒ´ÃÙ»ËÑÇ㨵͌ §·ÓÍ‹ҧäÃ

·º·Ç¹¤ÓÊè§Ñ for

àÃÂÕ ¡ function turtle from turtle import*
shape(‘turtle’)
from turtle import* color(‘pink’)
begin_fill()
output(¼ÅÅ¾Ñ ¸) lt(45)
fd(100)
¶ÒŒ µŒÍ§¡ÒÃÇÒ´ÃÙ»ËÇÑ ã¨µŒÍ§·ÓÍÂҋ §äà circle(50,180)
rt(90)
circle(50,180)
fd(100)
end_fill()

·º·Ç¹¤ÓÊè§Ñ for

¾¡Ô ´Ñ º¹¨ÍÀÒ¾

·º·Ç¹¤ÓÊÑè§ for

¤ÓÊѧè ¡»Ò¡¡Ò ÇÒ§»Ò¡¡Ò

goto(x,y) goto(0,100)

ŒÒÂ仵Óá˹§‹ (x,y) bk

back bk(100)

¶ÍÂËÅ§Ñ (ÃÐÂзҧ) dot(100)

dot

ǧ¡ÅÁ(ÃÈÑ Á)Õ

·º·Ç¹¤ÓʧÑè for

àÃÕ¡ function turtle ·´Åͧà¢Õ¹â»Ãá¡ÃÁോÒÇÒ´ traffic

from turtle import*

output(¼ÅÅ¾Ñ ¸)

Q&A

µÇÑ ´Óà¹Ô¹¡ÒúÙÅ¹Õ Boolean
·º·Ç¹¤ÓÊѧè if - elif - else
à§Í×è ¹ä¢·Ò§àÅÍ× ¡
·º·Ç¹¤ÓÊèѧ for
¿˜§¡ª¹èÑ turtle (ോÒ)
¤ÓʧÑè ǹ«éÓ while

¿˜§¡ªÑè¹