話題のRaspberryPi PicoでMicroPythonを使って遊ぼう！

令和3年2月28日開催＠エンジニアカフェ
「話題のRaspberryPi PicoでMicroPythonを使って遊ぼう！」

RaspberryPi Picoの環境設定、Lチカ、温度センサの値を取得するまで。

Transcript

1. ࿩୊ͷRaspberryPi PicoͰMicroPythonΛ࢖ͬͯ༡΅͏ʂ ✨ ✨ ✨ ̍ϖʔδ
2. #jyoshidarake ࠓ೔࢖͏Ϟϊ ᶃRaspberryPi Pico ᶄΠϯλʔωοτʹ઀ଓ͍ͯ͠Δύιίϯ ʢZOOMΛ࢖͍ͳ͕ΒPicoΛUSBͰͭͳ͙ʣ ᶅUSBέʔϒϧʢPicoͱύιίϯΛͭͳ͙ʣ ᶆQRίʔυΛಡΈࠐΊΔεϚϗ ʢ͋Ε͹iPhone͔iPadʣ ✨ ✨ ✨ ̎ϖʔδ
3. #jyoshidarake ࠓ೔👀΍Δࣄͱ΍Βͳ͍ࣄ ⭕RaspberryPi PicoͰMicroPythonΛ࢖͏ ɹͷʹඞཁͳ΋ͷΛΠϯλʔωοτ͔Β ɹμ΢ϯϩʔυͯ͠ઃఆ͠·͢ɻ ⭕MicroPythonͷϓϩάϥϜΛֶΜͰɺLνΧ ɹͱԹ౓ଌఆΛ͠·͢ɻ ✖͸Μͩ෇͚͸͠·ͤΜɻ ̏ϖʔδ
4. KZPTIJEBSBLF ঁࢠͩΒ͚ͷిࢠ޻࡞
   
   ࿩୊ͷ3BTQCFSSZ1J
   1JDPͰ.JDSP1ZUIPOΛ࢖ͬͯ༡΅͏ʂ ̐ϖʔδ
5. ঁࢠͩΒ͚ͷిࢠ޻࡞
   
   ࿩୊ͷ3BTQCFSSZ1J
   1JDPͰ.JDSP1ZUIPOΛ࢖ͬͯ༡΅͏ʂ ̑ϖʔδ
6. ঁࢠͩΒ͚ͷిࢠ޻࡞
   
   ࿩୊ͷ3BTQCFSSZ1J
   1JDPͰ.JDSP1ZUIPOΛ࢖ͬͯ༡΅͏ʂ ̒ϖʔδ νϟϯωϧొ࿥ ΑΖ͓͘͠ئ͍͠·͢
7. ͋ͳ͕ͨࠓZoomΛͭͳ͍͛ͯΔͷ͸ʁ ࣭໰̍ www.menti.com and use the code 22 94 41 0 ̓ϖʔδ
8. ࠓ೔ͷҙؾࠐΈΛೖྗ͍ͩ͘͞ʂ ࣭໰̎ Go to www.menti.com and use the code 42 97 81 2 ̔ϖʔδ
9. RaspberryPiͬͯԿʁ RaspberryPi͸೔ຊͰ͸ϥζύΠͱݺͼ਌͠·Ε͍ͯΔ γϯάϧϘʔυίϯϐϡʔλʔͰ͢ɻ ͜ͷϥζϕϦʔͷ ϚʔΫ͕໨ҹ ̕ϖʔδ
10. RaspberryPiͷछྨ ࠓ೔͸ίϨʂ ଞʹ΋ ଓʑ ొ৔தʂ ̍̌ϖʔδ
11. ͋ͳ͕͍ͨ࣋ͬͯΔϥζύΠ͸ʁ ࣭໰̏ Go to www.menti.com and use the code 74 16 84 7 ̍̍ϖʔδ
12. ࠓ·ͰͷRaspberryPiͷ࢖͍ํ ྫ ̍̎ϖʔδ
13. Α͘ݴΘΕΔArduinoͱͷҧ͍ "SEVJOPͱ͸ɺ
    ΠλϦΞੜ·Εͷ
    ϫϯϘʔυϚΠίϯͰ͢ Α͘ൺֱ͞ΕΔArduinoʂ ࠓ·Ͱେ͖͘ҧ͏͜ͱ͸OS͕ ಈ͘ͱ͍͏͜ͱͰͨ͠ʂ ࠓ·ͰͷRaspberryPi͸ SDΧʔυʹOSΛೖΕͯಈ͔͍ͯ͠·ͨ͠ʂ ʢRaspbian,Raspberry Pi OS, Windows 10 IOT Core,Ubuntu MATEͳͲɻʣ Raspberry Pi Picoʹ͸SDΧʔυ͸͋Γ·ͤΜɻ ̍̏ϖʔδ
14. Picoɾ࣮͸OSಈ͍ͪΌ͏ΜͰ͢ SDΧʔυϞδϡʔϧΛ ଍ͯ͋͛͠Δͱʂ UnixʢFuzix)Λ ಈ͔͢͜ͱ͕Ͱ͖Δ ͦ͏Ͱ͢ʂ ޙ೔ͥͻτϥΠͯ͠Έͯ ͍ͩ͘͞ʂ ̍̐ϖʔδ
15. RaspberryPiPicoͬͯʁ ̍̑ϖʔδ
16. RaspberryPiPicoͬͯʁ ̍̒ϖʔδ ▪特徴・主な仕様 ・搭載マイコン：RP2040（Dual-core cortex M0+、 最大動作周波数133MHz） ・仕上りパッケージ：DIP40 ・SRAM：264KB ・フラッシュメモリ：2MB ・USB 1.1 ホスト/デバイス両対応 ・ピンヘッダ用ランドと別に端面スルーホール ・低消費電力スリープモードおよびドーマントモードが 利用可能 ・USBを介しマスストレージを使ったドラッグアンドドロップ によるプログラムの書き込みが可能 ・I/O：GPIOx26（ADCx3含む）、UARTx2、I2Cx2、 SPIx2、PWMx16、PIOx8 ・ピンヘッダ取り付け穴径: Φ1(ミリ)、ピンヘッダ／ 細ピンヘッダのどちらでも使用できます。
17. PicoΛ࢖ͬͯΈΑ͏ʂ ̍̓ϖʔδ
18. uf2ϑΝΠϧΛμ΢ϯϩʔυ͠·͢ Zoomͷը໘ͷԼʹ͋Δ νϟοτͷϚʔΫΛΫϦοΫ ͯ͠νϟοτը໘Λ։͖·͢ɻ షͬͨϦϯΫΛΫϦοΫͯ͠ ϑΝΠϧΛμ΢ϯϩʔυ ͪͳΈʹɾɾɾ uf2ϑΝΠϧͱ͸ Microsoft͕ϚΠί ϯϑϥογϡ޲͚ʹ ։ൃͨ͠ϑΝΠϧܗ ࣜͱͷ͜ͱͰ͢ɻ https://www.raspberrypi.org/ documentation/rp2040/getting-started/ static/f70cc2e37832cde5a107f6f2af06b4bc/ rp2-pico-20210205-unstable-v1.14-8- g1f800cac3.uf2 ग़དྷͳ͍ਓ͸ͪ͜ΒΛίϐϖ͍ͯͩ͘͠͞ɻ ̍̔ϖʔδ
19. ઌʹύιίϯʹέʔϒϧΛͭͳ͗·͢ɻ ന͍ϘλϯΛԡ͠ ͳ͕Βύιίϯʹ ͭͳ͛·͢ʂ ʢRaspberry Pi PicoͷBOOTSELͬͯॻ͍ͯΔ ϘλϯΛԡ͠ͳ͕ΒέʔϒϧΛૠ͢ʣ BOOTSELϘλϯΛ ԡ͠ͳ͕Βͭͳ͛Δ ࣄͰɺօ͞Μ΋࢖ͬ ͨ͜ͱ͕͋ΔUSB ʢϑϥογϡʣϝϞ Ϧͱಉ͡Α͏ͳ࢖͍ ํ͕Ͱ͖·͢ɻ USBϑϥογϡϝϞϦ ίϯϏχ͔Β ফ͑ͭͭ͋Γ·͢Ͷɾɾɾ ̍̕ϖʔδ
20. ϘλϯΛԡ͠ͳ͕ΒPicoΛܨ͙ͱ USBϝϞϦΛૠͨ࣌͠ͷΑ͏ʹೝࣝ͞Ε·͢ ઌఔμ΢ϯϩʔυͨ͠uf2ϑΝΠϧΛ RPI-RP2ʹυϥοά&υϩοϓ͠·͢ɻ ̎̌ϖʔδ
21. ϘλϯΛԡ͠ͳ͕ΒPicoΛܨ͙ͱೝࣝ͞ΕΔ ઌఔμ΢ϯϩʔυͨ͠uf2ϑΝΠϧΛ RPI-RP2ʹυϥοά&υϩοϓ͠·͢ɻ Windows ̎̍ϖʔδ
22. ࣍ʹThonnyΛμ΢ϯϩʔυ͠·͢ ̔ϖʔδ Zoomͷ νϟοτʹ షͬͨ ϦϯΫΛ ΫϦοΫ ग़དྷͳ͍ਓ͸ͪ͜ΒΛίϐϖͯ͠Ͷ https://thonny.org/ ̎̎ϖʔδ
23. ࣍ʹThonnyΛμ΢ϯϩʔυ͠·͢ ̎̏ϖʔδ ࣗ෼ͷύιίϯͷOSʹ߹Θͤͯ μ΢ϯϩʔυ͍ͯͩ͘͠͞ 5IPOOZ͸ॳ৺ऀ޲͚ͷ 1ZIUPOʢύΠιϯʣͱ ͍͏ϓϩάϥϜݴޠͷ *%&Ͱ͢ɻ
    *%&ͱ͸ JOUFHSBUFE
    EFWFMPQNFOU
    FOWJSPONFOU
    ͷུͰ೔ຊޠͰ͸
    ౷߹։ൃ؀ڥͱ͍͍·͢
24. ThonnyΛΠϯετʔϧ͠·͢ ΫϦοΫͯ͠ThonnyͷΠϯετʔϥΛଓ͚Δ Mac͸.pkgɺWindows͸.exeϑΝΠϧͰ͢ ̎̐ϖʔδ
25. ࢖༻ڐ୚ܖ໿ͷ৚݅ʹಉҙͯ͠ଓ͚ͯΠϯετʔϧ ɾpkgΛΫϦοΫͯ͠ThonnyͷΠϯετʔϥΛଓ ͚·͢ ̎̑ϖʔδ
26. ࣗ͝਎ͷύιίϯͷύεϫʔυΛೖΕͨΒ׬ྃͰ͢ Πϯετʔϧ͕׬ྃͨ͠Βด͡ΔΛΫϦοΫ͍ͩ͘͞ɻ ࣗ෼ͷϢʔβʔ໊ ̎̒ϖʔδ
27. Thonnyͷexe͕ΠϯετʔϧͰ͖ͨΒ Windows ɹɹexeΛΫϦοΫͯ͠acceptΛબ୒ͯ͠ setup͠·͢ɻ ̎̓ϖʔδ
28. ThonnyΛ։͍͍ͯͩ͘͞ɻ ̎̔ϖʔδ ɹɹMicroPythonΛબͿ
29. MicroPythonͱ͸ʁ Pythonͷจ๏Λ࢖ͬͯϚΠίϯ΍૊ΈࠐΈػثͷ ϓϩάϥϛϯά͕Ͱ͖ΔϓϩάϥϜͷ͜ͱͰ͢ɻ Python͸1991೥ʢฏ੒3೥ʣʹॳΊͯϦϦʔε͞Ε ͨϓϩάϥϛϯάݴޠͰɺAIʢਓ޻஌ೳʣ΍ػցֶश ෼໺Ͱଟ͘࢖༻͞Ε͍ͯ·͢ɻ Python͸༷ʑͳαʔϏεͰར༻͞Ε͍ͯΔݴޠͰ͢ ̎̕ϖʔδ
30. MicroPythonͰLνΧͯ͠ΈΑ͏ʂ LνΧͱ͸ʁ || LEDΛνΧνΧ ޫΒͤΔ͜ͱͰ͢ɻ ̏̌ϖʔδ
31. LνΧͱ͸ʁ || LEDΛνΧνΧޫΒͤΔ͜ͱͰ͢ɻ ͜ͷLEDΛޫΒͤ·͢ RaspberryPi PicoΛޫΒͤΑ͏ʂ ̏̍ϖʔδ
32. MicroPythonͰLνΧͯ͠ΈΑ͏ʂ import machine import utime led_onboard = machine.Pin(25, machine.Pin.OUT) while True: led_onboard.value(1) utime.sleep(5) led_onboard.value(0) utime.sleep(5) ্هͷϓϩάϥϜશମΛThonnyʹίϐ΃ޙ ͜ͷ෦෼ͷஈࠩΛλϒΩʔͰ͚͍ͭͯͩ͘͞ɻ ̏̎ϖʔδ
33. MicroPythonͰLνΧͯ͠ΈΑ͏ʂ import machine import utime led_onboard = machine.Pin(25, machine.Pin.OUT) while True: led_onboard.value(1) utime.sleep(5) led_onboard.value(0) utime.sleep(5) ͜ͷஈࠩΛΠϯσϯτͱ͍͍·͢ɻpython͸ ͜ͷΠϯσϯτΛೝࣝ͢ΔͷͰɺஈࠩʹҙຯ͕ ͋Γ·͢ɻ͜ͷ৔߹͸whileจͷ܁Γฦ͠෦Ґ ̏̏ϖʔδ
34. MicroPythonͰϓϩάϥϜͷઆ໌ᶃ import machine import utime import --- MicroPythonͷϞδϡʔϧΛݺͼग़͢͠Δ machine --- ϋʔυ΢ΣΞؔ࿈ͷؔ਺ utime -- ࣌ؒؔ࿈ͷؔ਺ ̏̐ϖʔδ
35. MicroPythonͰϓϩάϥϜͷઆ໌ᶄ led_onboard = machine.Pin(25, machine.Pin.OUT) ͜ͷ໋ྩจͰ͸
    MFE@POCPBSE
    
    ͱ͍͏໊લʢม਺ʣʹ
    NBDIJOF1JOʢ NBDIJOF1JO065
    ൪ϐϯͷग़ྗΛׂΓ౰ͯΔͱ͍͏ҙຯͰ͢ɻ ̏̑ϖʔδ
36. MicroPythonͰϓϩάϥϜͷઆ໌ᶅ while True: led_onboard.value(1) utime.sleep(5) led_onboard.value(0) utime.sleep(5) while True: ͱ͸ʮXIJMF ৚݅ࣜ:ʯͱ͍͏ܗࣜͰॻ͔Ε͍ͯ·͢ɻ TrueʹʢਅʣʹͳΔ·Ͱ܁Γฦ͢ͱ͍͏͜ͱͰ͢ɻ ̏̒ϖʔδ
37. MicroPythonͰϓϩάϥϜͷઆ໌ᶅ while True: led_onboard.value(1) utime.sleep(5) led_onboard.value(0) utime.sleep(5) led_onboard.value(1)͸MFE_onboardͷ஋Λ̍ʹ utime.sleep(5) ͸5ඵٳΉ led_onboard.value(0)͸MFE_onboardͷ஋Λ0ʹ utime.sleep(5) ͸࠶ͼ5ඵٳΉ ͜ͷॲཧΛ܁Γฦ͠·͢ɻ ̏̓ϖʔδ
38. PicoͰLνΧͯ͠ΈΑ͏ʂ import machine import utime led_onboard = machine.Pin(25, machine.Pin.OUT) while True: led_onboard.value(1) utime.sleep(5) led_onboard.value(0) ͜ͷϚʔΫΛԡ͢ͱϓϩάϥϜ໊Λ ฉ͔Ε·͢ͷͰs1.pyͱೖྗͯ͠ ϓϩάϥϜΛ࣮ߦͤ͞·͢ɻ ̏̔ϖʔδ
39. LνΧͱ͸ʁ || LEDΛνΧνΧޫΒͤΔ͜ͱͰ͢ɻ ͕͜͜5ඵޫͬͯ5ඵফ͑ΔΛ ܁Γฦ͠·͢ɻ RaspberryPi PicoΛޫΒͤΑ͏ʂ ̏̕ϖʔδ
40. import machine import utime led_onboard = machine.Pin(25, machine.Pin.OUT) while True: led_onboard.value(1) utime.sleep(5) led_onboard.value(0) utime.sleep(5) ͜ͷ̎Օॴͷ̑Λ̍ʹ มߋͯ͠Έ·͠ΐ͏ɻ LνΧͷ଎౓Λม͑ͯΈΑ͏ʂ ̐̌ϖʔδ
41. LνΧͷ଎౓Λม͑ͯΈΑ͏ʂ import machine import utime led_onboard = machine.Pin(25, machine.Pin.OUT) while True: led_onboard.value(1) utime.sleep(5) led_onboard.value(0) Ұ୴STOPϚʔΫΛԡͯ͠ લͷϓϩάϥϜΛఀࢭͤ͞·͢ɻ ̐̍ϖʔδ
42. LνΧͷ଎౓Λม͑ͯΈΑ͏ʂ import machine import utime led_onboard = machine.Pin(25, machine.Pin.OUT) while True: led_onboard.value(1) utime.sleep(5) led_onboard.value(0) ࠶ͼ࣮ߦϚʔΫΛԡ͠·͢ɻ ̐̎ϖʔδ
43. LνΧͱ͸ʁ || LEDΛνΧνΧޫΒͤΔ͜ͱͰ͢ɻ ͕͜͜1ඵޫͬͯ1ඵফ͑ΔΛ ܁Γฦ͠·͢ɻ LνΧͷ଎౓Λม͑ͯΈΑ͏ʂ ̐̏ϖʔδ
44. ͕͜͜1ඵޫͬͯ1ඵফ͑ΔΛ ܁Γฦ͠·͢ɻ Picoͷϐϯ഑ஔ ̐̐ϖʔδ
45. MicroPythonͰԹ౓ଌఆͯ͠ΈΑ͏ʂ import machine import utime sensor_temp = machine.ADC(4) conversion_factor = 3.3 / (65535) while True: reading = sensor_temp.read_u16() * conversion_factor temperature = 27 - (reading - 0.706)/0.001721 print(temperature) utime.sleep(1) ্هͷϓϩάϥϜશମΛThonnyʹίϐ΃ޙ ͜ͷ෦෼ͷஈࠩΛλϒΩʔͰ͚͍ͭͯͩ͘͞ɻ ̐̑ϖʔδ
46. MicroPythonͰϓϩάϥϜͷઆ໌ᶃ import machine import utime import --- MicroPythonͷϞδϡʔϧΛݺͼग़͢͠Δ machine --- ϋʔυ΢ΣΞؔ࿈ͷؔ਺ utime -- ࣌ؒؔ࿈ͷؔ਺ ̐̒ϖʔδ
47. MicroPythonͰϓϩάϥϜͷઆ໌ᶄ sensor_temp = machine.ADC(4) ͜ͷ໋ྩจͰ͸
    TFOTPS@UFNQ
    
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48. MicroPythonͰϓϩάϥϜͷઆ໌ᶅ conversion_factor = 3.3 / (65535) ͜ͷ໋ྩจͰ͸
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    ਤʹͯ͠ΈΔͱΘ͔Γ΍͍͢ͱࢥ͍·͢ɻ
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       ̑̌ϖʔδ
51. MicroPythonͰϓϩάϥϜͷઆ໌ᶆ while True: reading = sensor_temp.read_u16() * conversion_factor temperature = 27 - (reading - 0.706)/0.001721 print(temperature) utime.sleep(1) while True: ͱ͸ʮXIJMF ৚݅ࣜ:ʯͱ͍͏ܗࣜͰॻ͔Ε͍ͯ·͢ɻ TrueʹʢਅʣʹͳΔ·Ͱ܁Γฦ͢ͱ͍͏͜ͱͰ͢ɻ ̑̍ϖʔδ
52. MicroPythonͰϓϩάϥϜͷઆ໌ᶆ reading = sensor_temp.read_u16() * conversion_factor ͸TFOTPS_temp ΛSFBE_u16()ͰಡΜͰ͍ΔͷͰΞφϩά஋Λ0- 65535 ͷൣғͷ੔਺Ͱฦ͠·͢ɻ temperature = 27 - (reading - 0.706)/0.001721 ͜Ε͸Թ౓ηϯαʔͷ஋Λิਖ਼͢ΔࣜͰ͢ɻ print(temperature) ͸UFNQFSBUVSFͷ஋(Թ౓ʣΛදࣔ͠·͢ɻ utime.sleep(1) ͸1ඵٳΉ ͜ͷॲཧΛ܁Γฦ͠·͢ɻ while True: reading = sensor_temp.read_u16() * conversion_factor temperature = 27 - (reading - 0.706)/0.001721 print(temperature) utime.sleep(1) ̑̎ϖʔδ
53. Ξφϩά-σΟδλϧίϯόʔλ(ADC) Ξφϩά৴߸ˠσδλϧ৴߸ʹม͑Δ͜ͱΛ"%ม׵ͱݴ͍·͢ɻ
    Ξφϩά৴߸ σδλϧ৴߸ ࣌ؒʢtʣ Թ౓ ࣌ؒʢtʣ Թ౓ ຊདྷͳΒ3BTQCFSSZ1J
    1JDPͷ෼ղೳ͸CJU
    ࠷େ஋͸?
    ిѹ͕7ͳͷͰ
    㲈N7 ͳΜͰ͕͢ɺ͜ͷϓϩάϥϜͰ͸SFBE@V ͰΞφϩά஋ΛಡΜ Ͱ͍ΔͷͰɺʹ㲈N7 ̑̏ϖʔδ Ξφϩά৴߸Λ ෼ׂ͢Δ਺ ෼ղೳ͕େ͖͍ఔ ׈Β͔ʹͳΔ
54. ಈ͍͍ͯΔϓϩάϥϜΛఀࢭ͠·͢ Ұ୴STOPϚʔΫΛԡͯ͠ લͷϓϩάϥϜΛఀࢭͤ͞·͢ɻ import machine import utime sensor_temp = machine.ADC(4) conversion_factor = 3.3 / (65535) while True: reading = sensor_temp.read_u16() * conversion_fa temperature = 27 - (reading - 0.706)/0.001721 ̑̐ϖʔδ
55. Թ౓ηϯαʔͷ஋ΛݟͯΈΑ͏ʂ import machine import utime sensor_temp = machine.ADC(4) conversion_factor = 3.3 / (65535) while True: reading = sensor_temp.read_u16() * conversion_fa temperature = 27 - (reading - 0.706)/0.001721 ࣮ߦϚʔΫΛԡ͢ͱϓϩάϥϜ໊Λ ฉ͔Ε·͢ͷͰs2.pyͱೖྗͯ͠ ϓϩάϥϜΛ࣮ߦͤ͞·͢ɻ ̑̑ϖʔδ
56. Թ౓ηϯαʔͷ஋ΛݟͯΈΑ͏ʂ ͜͜ʹԹ౓͕1ඵຖʹදࣔ͞Ε·͢ɻ Թ౓͕ग़ͨਓ͸ɺPicoΛखͰԹΊͯ஋͕มΘΔ͔ ͔֬ΊͯΈ·͠ΐ͏ʂʂ Թ౓্͕͕Ε͹ਖ਼ղͰ͢ʂ ̑̒ϖʔδ
57. https://apps.apple.com/jp/app/adafruit-ar/id1375722584 Adafruit AR ΞϓϦͰݟͯΈΑ͏ʂ iPhoneɾiPad iOS14ͷΈର৅Ͱ͢ɻ ̑̓ϖʔδ
58. #jyoshidarake ࠓޙ͋Δͱָ͠ΊΔϞϊ ɾ͸Μͩͯ͝ηοτˍ͸Μͩ ɾϐϯ ɾϒϨουϘʔυ ɾδϟϯύʔϫΠϠʔ ɾRaspberryPi3 or RaspberryPi4 ̑8ϖʔδ
59. LνΧͱԹ౓ଌఆͰ͖·͔ͨ͠ʁ ࣭໰̐ Go to www.menti.com and use the code 39 13 24 6 ̑9ϖʔδ
60. ࠓ೔ͷײ૝Λͻͱ͜ͱೖྗ͍ͩ͘͞ ࣭໰̑ Go to www.menti.com and use the code 57 14 61 4 60ϖʔδ
61. https://www.raspberrypi.org/documentation/pico/ getting-started/ RaspberryPi ͷαΠτΛ։͖·͢ MicroPythonͷofficial guideΛೖख͠·͢ 61ϖʔδ
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