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Python for Everyday
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HayaoSuzuki
September 11, 2021
Technology
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Python for Everyday
Python Charity Talks in Japan 2021.09 Lightning Talk
HayaoSuzuki
September 11, 2021
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Transcript
ৗੜ׆Ͱ͏ Python Python for Everyday Hayao Suzuki Python Charity Talks
in Japan 2021.09 September 11, 2021
Who am I ? ͓લ୭Α ໊લ Hayao Suzukiʢླɹॣʣ Twitter @CardinalXaro
ࣄ Software Developer @ BeProud Inc. › גࣜձࣾϏʔϓϥυ › IT ษڧձࢧԉαʔϏε connpass › ΦϯϥΠϯֶशαʔϏε PyQ › γεςϜ։ൃͷͨΊͷυΩϡϝϯταʔϏε Tracery 2 / 13
Who am I ? ༁ɾࠪಡٕͨ͠ज़ॻʢൈਮʣ › ೖ Python 3 ୈ
2 ൛ (O’Reilly Japan) › Effective Python ୈ 2 ൛ (O’Reilly Japan) › ػցֶशʹΑΔ࣮༻ΞϓϦέʔγϣϯߏங (O’Reilly Japan) › PyTorch ͱ fastai Ͱ͡ΊΔσΟʔϓϥʔχϯά (O’Reilly Japan) › ࣮ફ ࣌ܥྻղੳ (O’Reilly Japan) New! https://xaro.hatenablog.jp/ ʹϦετ͕͋Γ·͢ɻ 3 / 13
Who am I ? ൃදϦετʢൈਮʣ › ϨΨγʔ Django ΞϓϦέʔγϣϯͷݱԽ (DjangoCongress
JP 2018) › SymPy ʹΑΔࣜॲཧ (PyCon JP 2018) › Python ͱָ͠Ήॳ (PyCon mini Hiroshima 2019) › ܅ cmath Λ͍ͬͯΔ͔ (PyCon mini Shizuoka 2020) › ΠϯϝϞϦʔετϦʔϜ׆༻ज़ (PyCon JP 2020) https://xaro.hatenablog.jp/ ʹϦετ͕͋Γ·͢ɻ 4 / 13
ࠓͷςʔϚ ৗੜ׆Ͱ͏ Python › Python ͷ׆༂ॴࣄ͚ͩͰͳ͍ʂ › ৗੜ׆Ͱʹཱͭ Python ඪ४ύοέʔδΛհ͠·͢ɻ
5 / 13
ࠓͷςʔϚ ৗੜ׆Ͱ͏ Python › datetime ύοέʔδ › secrets ύοέʔδ 6
/ 13
࣮ ൃച·ͰͷΧϯτμϯ ʰೖ Python 3 ୈ 2 ൛ʱ͕ 2021
3 ݄ 22 ʹൃߦ͞ΕΔ͕ɺ͋ͱԿͩΖ ͏͔ɻ 7 / 13
ܭࢉ datetime ύοέʔδͰܭࢉ >>> import datetime >>> xday = datetime.date(2021,
3, 22) >>> today = datetime.date(2021, 9, 11) >>> f"༁ຊ͕ൃߦ͞Ε͔ͯΒ{(today - xday).days}ܦա" ' ༁ຊ͕ൃߦ͞Ε͔ͯΒ 173 ܦա' େࣄͳه೦ܭࢉʹͥͻ datetime ύοέʔδΛ͓͏ʂ 8 / 13
࣮ ύεϫʔυΛϥϯμϜʹੜ͍ͨ͠ ύεϫʔυΛొ͍͕ͨ͠ɺ͍·Θ͠Α͘ͳ͍ɻؾܰʹ࡞Γ͍ͨɻ 9 / 13
ύεϫʔυੜ secrets ύοέʔδͰύεϫʔυੜ >>> import secrets >>> secrets.token_urlsafe(8) # จࣈ੍ݶʹԠͯ͡దٓௐ
'rwQ_XUqyrbo' େࣄͳύεϫʔυʹͥͻ secrets ύοέʔδΛ͓͏ʂ ˞ύεϫʔυϚωʔδϟͷ࠾༻ݕ౼͠·͠ΐ͏ɻ 10 / 13
࣮ ൿີͷ࣭ʹਅ໘ʹ͑ͨ͘ͳ͍ मֶཱྀߦͰߦͬͨॴʁ ޫʂ ࡳຈʂ தֶߍͷमֶཱྀߦϨΞέʔεͳͷͰݴ͑·ͤΜɻ 11 / 13
ൿີͷ࣭ secrets ύοέʔδͰൿີͷ࣭ճ import secrets hira = "".join([chr(x) for x
in range(ord("͋"), ord("Μ") + 1)]) kana = "".join([chr(x) for x in range(ord("Ν"), ord("ϲ") + 1)]) cs = hira + kana for _ in range(15): print("".join([secrets.choice(cs) for x in range(8)])) ൿີͷ࣭ʹͥͻ secrets ύοέʔδͰཱ͔͓ͪ͏ʂ 12 / 13
ࠓͷςʔϚ ৗੜ׆Ͱ͏ Python › datetime ύοέʔδɿࠣࡉͳ࣌ܭࢉʹ › secrets ύοέʔδɿ҆શͳύεϫʔυੜʹ 13
/ 13