Python seminar1

あくあたん工房で使ったPython基礎講座1回目資料

Transcript

1. 1ZUIPOߨ࠲ ͋͋ͨ͘Μ޻๪ 
2. λΫγΦ
 !UBYJP@UFYI
   ৘ใ
   ճ
   $$
   1ZUIPO
   )5.-
   4BTT
   /PEF
   +BWB
   3VTU
   $
   FUDʜ
   ૊ΈࠐΈ
 ϑϩϯτΤϯυ
3. ໨࣍ ˔ 1ZUIPOͬͯԿʁ
   ˔ ؀ڥߏங
   ˔ جຊจ๏
   ˔ ࿅श໰୊
   ˔ ͋͋ͨ͘Μ޻๪ͷએ఻
4. 1ZUIPOͬͯԿʁ
5. 1ZUIPOͱ͸ ˔ εΫϦϓτݴޠ
   ˔ ΠϯσϯτͰϒϩοΫ൑ఆ
   ˔ ؆୯ͰಡΈ΍͍͢
   ˔ ϥΠϒϥϦ͕๛෋
6. ؀ڥߏங
 CZ
   ΀ΓΜ
7. جຊจ๏
8. ࠓ೔ڭ͑Δ͜ͱ ˔ جຊతͳࢉज़ܭࢉ
   ˔ σʔλܕ
   ˔ ೖग़ྗ
   ˔ ੍ޚϑϩʔπʔϧ JGͱ͔
   ˔ σʔλߏ଄
   ˔ Τϥʔͱྫ֎
9. ࢉज़ܭࢉ ˔ 3&1-Λىಈͯ͠1ZUIPOΛ ి୎ͱͯ͠࢖͏
   ˔ جຊతʹଞͷݴޠͱಉ͡
   Ὂ B Έ͍ͨͳΠϯΫϦϝ ϯτ͸Ͱ͖ͳ͍
   Ὂ B CͰBͷC৐
   ˔ FYJU Ͱऴྃ
10. ओཁͳσʔλܕ w JOU
    
    ੔਺
    w qPBU
    
    ුಈখ਺
    w TUS
    
    จࣈྻ
    w CPPM
    
    ࿦ཧ஋
    w MJTU
    
    γʔέϯεܕ
    w UVQMF
    
    มߋෆՄͳϦετΈͨ ͍ͳ΋ͷ
    w EJDU
    
    KTPOͷΑ͏ͳϚοϓܕ TBNQMFTFY@UZQFQZ 1 # int 2 a = 100 3 print(type(a), a) 4 5 # float 6 a = 0.1 7 print(type(a), a) 8 9 # str 10 a = 'hogehoge' 11 print(type(a), a) 12 13 # bool 14 a = True 15 print(type(a), a) 16 17 # list 18 a = [1, 2, 3, 4] 19 print(type(a), a) 20 21 # list multi 22 a = [1, '2', 3.0, [4.1, 4.2]] 23 print(type(a), a) 24 25 # tuple 26 a = (1, 2, 3, 4, 5) 27 print(type(a), a) 28 29 # dict 30 a = {'hoge': 1, 'foo': 'bar'} 31 print(type(a), a)
11. 㾎ܕΛࢦఆͤͣʹม਺ ΛએݴͰ͖Δ
    㾎ผͷܕͷ஋Ͱ্ॻ͖ Ͱ͖ͯ͠·͏ TBNQMFTFY@UZQFQZ 1 # int 2 a = 100 3 print(type(a), a) 4 5 # float 6 a = 0.1 7 print(type(a), a) 8 9 # str 10 a = 'hogehoge' 11 print(type(a), a) 12 13 # bool 14 a = True 15 print(type(a), a) 16 17 # list 18 a = [1, 2, 3, 4] 19 print(type(a), a) 20 21 # list multi 22 a = [1, '2', 3.0, [4.1, 4.2]] 23 print(type(a), a) 24 25 # tuple 26 a = (1, 2, 3, 4, 5) 27 print(type(a), a) 28 29 # dict 30 a = {'hoge': 1, 'foo': 'bar'} 31 print(type(a), a)
12. จࣈྻૢ࡞ w B CͰ࿈݁
    w TQMJU
    
    ࢦఆจࣈͰ෼ׂ
    w pOE
    
    ݕࡧ
    w SFQMBDF
    
    ஔ׵
    w GPSNBU
    
    ຒΊࠐΈ
    w KPJO
    
    MJTUΛࢦఆ۠੾ΓจࣈͰ ݁߹ TBNQMFTFY@TUSQZ 1 # ࿈݁ 2 a = 'hoge' 3 b = 'foo' 4 c = a + b 5 print(c) 6 7 a = 'hogehogefoobar' 8 # ෼ׂ 9 print(a.split('foo')) 10 11 # ݕࡧ 12 print(a.find('foo')) 13 14 # ஔ׵ 15 print(a.replace('foo', 'piyo')) 16 17 # ຒΊࠐΈ 18 a = 'pi' 19 b = 3.14 20 print('{} is {}'.format(a, b)) 21 22 # ࢦఆ۠੾ΓจࣈͰ݁߹ 23 a = ['a', 'b', 'c', 'd'] 24 print(','.join(a))
13. ೖग़ྗ جຊతʹ
    ˔ ඪ४ग़ྗ͸QSJOU
    ˔ ඪ४ೖྗ͸JOQVU
    Ὂ ඞཁʹԠͯ͡Ωϟετ TBNQMFTFY@JOQVU@PVUQVUQZ 1 print('Hello World!!') 2 print('Hello', 'World', '!!') 3 4 # վߦ࡟আ΋Ͱ͖Δ 5 print('Hello'+'World'+'!!', end='') 6 print('hoge') 7 8 # શͯจࣈྻ(str)Ͱऔಘ͞ΕΔ 9 line = input() 10 print(type(line), line) 11 12 # Ωϟετ 13 line_int = int(line) 14 line_float = float(line)
14. ੍ޚϑϩʔ ˔ ΠϯσϯτͰϒϩοΫ൑ఆ
    ˔ SBOHFͰϧʔϓճ਺ࢦఆ
    ˔ TXJUDIDBTF͸ແ͍
    Ὂ JGdFMJGdFMTFͰؤுΔ TBNQMFTFY@DPOUSPMQZ 1 # xʹ1~10ͷཚ਺ΛೖΕΔ 2 x = random.randint(1, 10) 3 if x < 5: 4 print('LOW') 5 else: 6 print('HIGH') 7 8 # ͜Μͳॻ͖ํ΋Ͱ͖Δ 9 if 4 < x < 6: 10 print('x is 5!!') 11 12 13 for i in range(10): 14 print(i) 15 16 while x > 0: 17 print(x) 18 x -= 1
15. σʔλߏ଄ γʔέϯεܕ ˔ -JTU
    Ὂ $ݴޠͷ഑ྻͱ͸ҧ͍ɼಈతʹ ྖҬΛ֬อͰ͖Δ
    Ὂ ϝιου͕๛෋
    ˔ એݴޙมߋෆՄͳ5VQMFͱ͍͏ ΋ͷ΋͋Δ
    Ὂ -JTUΑΓগ͠ૣ͍ TBNQMFTFY@MJTUQZ 1 a = [2, 4, 1, 3] 2 print(a) 3 4 # ιʔτ 5 a.sort() 6 print(a) 7 8 # ௥Ճ 9 a.append(4) 10 print(a) 11 12 # ࡟আ 13 a.remove(4) 14 print(a) 15 16 # ௕͞ 17 print(len(a)) 18 19 # ΞΫηε 20 print(a[1]) 21 print(a[-2]) 22 23 # ཁૉ͕͋Δ͔Ͳ͏͔ 24 print(1 in a)
16. -JTUͱGPS ˔ GPSͱซ༻͢Δ͜ͱͰॱ൪ʹऔಘͰ͖Δ
    ˔ FOVNFSBUFͰJOEFY΋औಘՄೳ
    ˔ SBOHF͸࿈ଓͨ͠਺஋Λ࣋ͭϦετΛ࡞੒͍ͯ͠Δ TBNQMFTFY@MJTUQZ 1 # forͱซ༻Ͱ͖Δ༏Ε΋ͷ 2 names = ['hoge', 'huga', 'foo', 'bar', 'piyo'] 3 for name in names: 4 print(name) 5 6 for idx, name in enumerate(names): 7 print(idx, name)
17. Τϥʔͱྫ֎ ˔ USZFYDFQU
    Ὂ +BWBͷUSZDBUDIͱಉ͡
    ˔ ΤϥʔͰϓϩάϥϜΛࢭΊͨ͘ͳ͍
    Ὂ ྫ֎ॲཧ TBNQMFTFY@FSSPSQZ 1 # no error handling 2 x = int(input("Please enter a number :")) 3 print(x) 4 5 # error handling 6 while True: 7 try: 8 x = int(input("Please enter a number :")) 9 print('OK! The number is', x) 10 break 11 12 except ValueError: 13 sys.stderr.write("Oops! That was no valid number.\n") 14 sys.stderr.write("Try again...\n")
18. ؔ਺ ˔ EFGͰએݴ
    ˔ جຊతʹࢀর౉͠
    w ͨ·ʹ᪴͘ͷͰ
 ಡΜͲ͜͏
    ˔ ෳ਺ฦΓ஋Մ
    ˔ ΩʔϫʔυࢦఆՄ
    ˔ σϑΥϧτҾ਺Մ TBNQMFTFY@GVODUJPOQZ 1 def hello(user, time='morning'): 2 if time == 'morning': 3 return "Good morning {}".format(user) 4 5 elif time == 'night': 6 return "Good night ", user 7 8 else: 9 return "Hello {}".format(user) 10 11 12 if __name__ == '__main__': 13 14 print(hello('aquatan')) 15 16 # Ωʔϫʔυࢦఆ 17 print(hello(user='aquatan')) 18 19 # ෳ਺ฦΓ஋ 20 a, b = hello('aquatan', time='night') 21 print(a, b)
19. ࣗ༝౓ߴ͗͢ʂ
    
 ԿͷܕΛೖΕͯ
    Կͷܕ͕ฦͬͯ͘Δ͔
 Θ͔ΓͮΒ͍ʂ
20. ܕώϯτ ˔ ͔Βಋೖ
    ˔ ؔ਺ͷҾ਺ɼฦΓ஋ʹ ܕΛࢦఆͰ͖Δ
    ˔ ࣮ߦʹԿΒӨڹ͸ແ͍
    Ὂ ΤσΟλʹΑͬͯ͸ νΣοΫͯ͘͠ΕΔ TBNQMFTFY@IJOUQZ 1 def hello(user: str, time='morning') -> str: 2 if time == 'morning': 3 return "Good morning {}".format(user) 4 5 elif time == 'night': 6 # ฦΓ஋͸strͳͷͰWarning͕ग़Δ͸ͣ 7 return "Good night ", user 8 9 else: 10 return "Hello {}".format(user) 11 12 13 if __name__ == '__main__': 14 15 print(hello('aquatan')) 16 17 # PycharmͳΒWarning͕ग़Δ͸ͣ 18 print(hello(user=123))
21. 1&1 1ZUIPOͷίʔσΟϯάελΠϧΨΠυ ඞಡॻʂ
    ͚ͩͲඞͣकΕͱ͍͏ Θ͚Ͱ͸ແ͍
22. ࿅श໰୊
23. ࿅श໰୊ ͔Β·Ͱͷ਺Λग़ྗͤΑɽ
    ͨͩ͠ɼͰׂΓ੾ΕΔ࣌͸'J[[ɼͰׂΓ੾ΕΔ࣌ #V[[ɼͦͷ྆ํͰׂΓ੾ΕΔ࣌͸'J[[#V[[Λग़ྗ͢ Δ͜ͱɽ
24. ࿅श໰୊ <
    
    
    ʜ
    >ͱ͍͏Ϧετ͕͋Δͱ͢Δɽ
    ྦྷੵ࿨Λ΋ͬͨϦετΛग़ྗͤΑɽ
    ͭ·Γɼ<
    
    
    ʜ
    >ͱ͍͏ϦετΛग़ྗͤΑɽ "
    
    SBOHF 
    
25. ࿅श໰୊ TBNQMFTQSBDUJDFUYUʹهड़͞Ε͍ͯΔzzͰғΘΕ ͨจࣈྻ͔ΒɼzQZUIPOzͱ͍͏จࣈΛؚΉߦ͸Կߦଘ ࡏ͢Δ͔ܭࢉͤΑɽ
    ͨͩ͠ɼվߦจࣈ͸`aO`ͱ͢Δɽ
26. ࠓ೔΍ͬͨͷ͸جૅͷجૅͷجૅ
    ຊ౰ʹ໘ന͍ͷ͸͜Ε͔ΒͰ͢
    1ZUIPOΛ࢖ָͬͯ͘͠ϓϩάϥϛϯά͠Α͏ʂ ࠷ޙʹ
27. ࣍ճ༧ࠂ
28. ࣍ճ༧ࠂ ˔ ΦϒδΣΫτࢦ޲ʹ͍ͭͯ
    ˔ "1*ͷୟ͖ํ
    ˔ ࣗ෼͚ͩͷ#PUΛ࡞Ζ͏
29. ʰ͋͋ͨ͘Μ޻๪ʱͱ͸ ˔ ,*5ͷֶ಺޲͚ٕज़ίϛϡχςΟΛ
 ໨తʹઃཱ͞ΕͨඇެࣜαʔΫϧ
    ˔ ׆ಈ಺༰
    Ὂ ϋοΧιϯ౳Πϕϯτ΁ͷࢀՃ
    Ὂ ศརπʔϧ࡞੒ϓϩδΣΫτ
    ˗ ٳߨ৘ใCPU
    ˗ 044Λࣗ෼ͨͪͰ࡞Δ
    Ὂ ษڧձ
    ˗ (JUษڧձΛ։࠵༧ఆ
30. ͋͋ͨ͘Μ޻๪ MAKE KIT GREAT AGAIN +PJO
    VT