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Изворен канал @pythonotes · Post #303 · 27 дек.

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Наверняка вы замечали, что в Python есть удобная функция для получения переменной окружения os.getenv(NAME) И её "сестра" для создания или изменения переменных окружения os.putenv(NAME, VALUE) Но почему-то putenv() не работает как должно. Энвайромент не обновляется! os.putenv('MYVAR', '1') print(os.getenv('MYVAR')) ... и ничего 😴 Почему так? На самом деле энвайромент обновляется, но это значение не добавляется в словарь os.environ. Откройте исходник функции os.getenv(). Это просто шорткат для os.environ.get() В то время как putenv() это built-in С-функция. Словарь os.environ (или точней класс из MutableMapping) создаётся из энвайромента в момент инициализации. Функция putenv() самостоятельно его не изменяет. В тоже время, когда вы создаёте или изменяете ключ в os.environ, автоматически вызывается putenv() в методе __setitem__(). То есть, технически putenv() всё делает верно, но в os.environ это не отражается. Можно проверить так: >>> os.putenv('MYVAR', '123') >>> os.system('python -c "import os;print(os.getenv(\'MYVAR\'))"') 123 Я объявил переменную в текущем процессе и вызвал дочерний процесс, который её унаследовал и получил в составе os.environ. Аналогично при удалении переменной вызывается еще одна built-in функция unsetenv(), удаляющая переменную из системы. Итого ▫️ Удобней всего явно обновлять переменные через os.environ ▫️ Есть способ неявно создать/удалить переменную через putenv/unsetenv, что не повлияет на os.environ но изменит энвайромент и передаст изменения сабпроцессам. Но так лучше не делать! ▫️os.environ это просто обертка для built-in функций putenv() и unsetenv(). #basic

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Пронајдени 9 слични објави

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AI match predictions

@ai_match_prediction · Post #11242 · 02.04.2026 г., 13:05

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Argentina Liga Profesional Argentina🇦🇷 2026-04-02 18:00 UTC Barracas Central vs. Sarmiento Junin Predicted outcome: Barracas Central❌ Predicted score: 1:0 Actual: Sarmiento Junin 1:2 #BarracasCentral#SarmientoJunin 2026-04-02 20:30 UTC Tigre vs. Independ. Rivadavia Predicted outcome: Tigre❌ Predicted score: 2:1 Actual: Independ. Rivadavia 0:2 #Tigre#IndependienteRivadavia 2026-04-02 23:30 UTC Talleres Cordoba vs. Boca Juniors Predicted outcome: Boca Juniors✅ Predicted score: 1:2 Actual: Boca Juniors 0:1 #TalleresCordoba#BocaJuniors #Football#ArgentinaLigaProfesional

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#barracascentral#sarmientojunin#tigre#independienterivadavia#tallerescordoba#bocajuniors#football#argentinaligaprofesional
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@ai_match_prediction · Post #11738 · 25.04.2026 г., 13:05

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Argentina Liga Profesional Argentina🇦🇷 2026-04-25 20:00 UTC Estudiantes L.P. vs. Talleres Cordoba Predicted outcome: Estudiantes L.P.❌ Predicted score: 1:0 Actual: Draw 0:0 #EstudiantesLP#TalleresCordoba 2026-04-25 22:15 UTC Sarmiento Junin vs. Tigre Predicted outcome: Draw❌ Predicted score: 1:1 Actual: Sarmiento Junin 1:0 #SarmientoJunin#Tigre 2026-04-26 00:30 UTC River Plate vs. Aldosivi Predicted outcome: River Plate✅ Predicted score: 2:0 Actual: River Plate 3:1 #RiverPlate#Aldosivi #Football#ArgentinaLigaProfesional

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#estudianteslp#tallerescordoba#sarmientojunin#tigre#riverplate#aldosivi#football#argentinaligaprofesional
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@ai_match_prediction · Post #11820 · 30.04.2026 г., 17:05

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CONMEBOL Sudamericana🌎 2026-04-30 22:00 UTC Vasco DA Gama vs. Olimpia Predicted outcome: Vasco DA Gama✅ Predicted score: 2:1 Actual: Vasco DA Gama 3:0 #VascoDAGama#Olimpia 2026-04-30 22:00 UTC Carabobo FC vs. Blooming Predicted outcome: Carabobo FC✅ Predicted score: 2:1 Actual: Carabobo FC 2:0 #CaraboboFC#Blooming 2026-05-01 00:00 UTC Tigre vs. America de Cali Predicted outcome: Draw❌ Predicted score: 1:1 Actual: Tigre 2:0 #Tigre#AmericadeCali 2026-05-01 00:30 UTC RB Bragantino vs. River Plate Predicted outcome: Draw❌ Predicted score: 1:1 Actual: River Plate 0:1 #RBBragantino#RiverPlate 2026-05-01 02:00 UTC Alianza Atletico vs. Macara Predicted outcome: Draw❌ Predicted score: 1:1 Actual: Macara 0:2 #AlianzaAtletico#Macara #Football#CopaSudamericana

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#vascodagama#olimpia#carabobofc#blooming#tigre#americadecali#rbbragantino#riverplate#alianzaatletico#macara#football#copasudamericana
AI match predictions

@ai_match_prediction · Post #11529 · 16.04.2026 г., 17:05

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CONMEBOL Sudamericana🌎 2026-04-16 22:00 UTC Tigre vs. Macara Predicted outcome: Draw❌ Predicted score: 1:1 Actual: Macara 0:1 #Tigre#Macara 2026-04-16 22:00 UTC Atletico-MG vs. Juventud Predicted outcome: Atletico-MG✅ Predicted score: 2:1 Actual: Atletico-MG 2:1 #AtleticoMG#Juventud 2026-04-17 00:30 UTC San Lorenzo vs. Deportivo Cuenca Predicted outcome: Deportivo Cuenca❌ Predicted score: 0:1 Actual: San Lorenzo 2:0 #SanLorenzo#DeportivoCuenca 2026-04-17 00:30 UTC RB Bragantino vs. Blooming Predicted outcome: Blooming❌ Predicted score: 0:1 Actual: RB Bragantino 3:2 #RBBragantino#Blooming 2026-04-17 02:00 UTC Cienciano vs. Puerto Cabello Predicted outcome: Draw❌ Predicted score: 1:1 Actual: Cienciano 2:0 #Cienciano#PuertoCabello #Football#CopaSudamericana

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#tigre#macara#atleticomg#juventud#sanlorenzo#deportivocuenca#rbbragantino#blooming#cienciano#puertocabello#football#copasudamericana
AI match predictions

@ai_match_prediction · Post #11366 · 07.04.2026 г., 17:05

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CONMEBOL Sudamericana🌎 2026-04-07 22:00 UTC Barracas Central vs. Vasco DA Gama Predicted outcome: Draw✅ Predicted score: 1:1 Actual: Draw 0:0 #BarracasCentral#VascoDAGama 2026-04-07 22:00 UTC Independiente Petrolero vs. Racing Club Predicted outcome: Racing Club✅ Predicted score: 1:3 Actual: Racing Club 1:3 #IndependientePetrolero#RacingClub 2026-04-08 00:00 UTC O'Higgins vs. Millonarios Predicted outcome: Millonarios❌ Predicted score: 1:3 Actual: O'Higgins 2:0 #OHiggins#Millonarios 2026-04-08 00:30 UTC Boston River vs. Sao Paulo Predicted outcome: Draw❌ Predicted score: 1:1 Actual: Sao Paulo 0:1 #BostonRiver#SaoPaulo 2026-04-08 02:00 UTC Alianza Atletico vs. Tigre Predicted outcome: Tigre❌ Predicted score: 1:2 Actual: Draw 1:1 #AlianzaAtletico#Tigre #Football#CopaSudamericana

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#barracascentral#vascodagama#independientepetrolero#racingclub#ohiggins#millonarios#bostonriver#saopaulo#alianzaatletico#tigre#football#copasudamericana
AI match predictions

@ai_match_prediction · Post #11478 · 12.04.2026 г., 13:05

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Argentina Liga Profesional Argentina🇦🇷 2026-04-12 18:00 UTC Newells Old Boys vs. San Lorenzo Predicted outcome: Draw✅ Predicted score: 1:1 Actual: Draw 0:0 #NewellsOldBoys#SanLorenzo 2026-04-12 18:00 UTC Platense vs. Gimnasia M. Predicted outcome: Platense❌ Predicted score: 1:0 Actual: Draw 1:1 #Platense#GimnasiaM 2026-04-12 20:30 UTC Atletico Tucuman vs. Tigre Predicted outcome: Draw✅ Predicted score: 1:1 Actual: Draw 0:0 #AtleticoTucuman#Tigre 2026-04-12 20:30 UTC Huracan vs. Rosario Central Predicted outcome: Draw❌ Predicted score: 1:1 Actual: Huracan 3:1 #Huracan#RosarioCentral 2026-04-12 23:00 UTC Racing Club vs. River Plate Predicted outcome: Draw❌ Predicted score: 1:1 Actual: River Plate 0:2 #RacingClub#RiverPlate #Football#ArgentinaLigaProfesional

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#newellsoldboys#sanlorenzo#platense#gimnasiam#atleticotucuman#tigre#huracan#rosariocentral#racingclub#riverplate#football#argentinaligaprofesional
AI match predictions

@ai_match_prediction · Post #11945 · 06.05.2026 г., 17:05

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CONMEBOL Sudamericana🌎 2026-05-06 22:00 UTC A. Italiano vs. Vasco DA Gama Predicted outcome: Vasco DA Gama✅ Predicted score: 1:2 Actual: Vasco DA Gama 1:2 #AItaliano#VascoDAGama 2026-05-06 22:00 UTC Atletico Torque vs. Palestino Predicted outcome: Atletico Torque✅ Predicted score: 2:1 Actual: Atletico Torque 1:0 #AtleticoTorque#Palestino 2026-05-07 00:00 UTC Macara vs. Tigre Predicted outcome: Draw✅ Predicted score: 1:1 Actual: Draw 2:2 #Macara#Tigre 2026-05-07 00:00 UTC Barracas Central vs. Olimpia Predicted outcome: Draw❌ Predicted score: 1:1 Actual: Olimpia 1:2 #BarracasCentral#Olimpia 2026-05-07 00:30 UTC Botafogo vs. Racing Club Predicted outcome: Botafogo✅ Predicted score: 3:2 Actual: Botafogo 2:1 #Botafogo#RacingClub 2026-05-07 02:00 UTC Alianza Atletico vs. America de Cali Predicted outcome: Alianza Atletico❌ Predicted score: 2:1 Actual: America de Cali 0:2 #AlianzaAtletico#AmericadeCali #Football#CopaSudamericana

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#aitaliano#vascodagama#atleticotorque#palestino#macara#tigre#barracascentral#olimpia#botafogo#racingclub#alianzaatletico#americadecali#football#copasudamericana
AI match predictions

@ai_match_prediction · Post #11893 · 03.05.2026 г., 09:05

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Argentina Liga Profesional Argentina🇦🇷 2026-05-03 16:30 UTC Aldosivi vs. Independ. Rivadavia Predicted outcome: Independ. Rivadavia❌ Predicted score: 1:2 Actual: Draw 1:1 #Aldosivi#IndependienteRivadavia 2026-05-03 19:00 UTC Belgrano Cordoba vs. Sarmiento Junin Predicted outcome: Belgrano Cordoba✅ Predicted score: 2:1 Actual: Belgrano Cordoba 4:0 #BelgranoCordoba#SarmientoJunin 2026-05-03 19:00 UTC Gimnasia L.P. vs. Argentinos JRS Predicted outcome: Argentinos JRS❌ Predicted score: 1:2 Actual: Gimnasia L.P. 2:0 #GimnasiaLP#ArgentinosJRS 2026-05-03 19:00 UTC Racing Club vs. Huracan Predicted outcome: Racing Club❌ Predicted score: 2:1 Actual: Draw 0:0 #RacingClub#Huracan 2026-05-03 19:00 UTC Rosario Central vs. Tigre Predicted outcome: Rosario Central❌ Predicted score: 2:1 Actual: Draw 1:1 #RosarioCentral#Tigre 2026-05-03 21:30 UTC River Plate vs. Atletico Tucuman Predicted outcome: River Plate❌ Predicted score: 3:1 Actual: Atletico Tucuman 0:1 #RiverPlate#AtleticoTucuman #Football#ArgentinaLigaProfesional

Hashtags

#aldosivi#independienterivadavia#belgranocordoba#sarmientojunin#gimnasialp#argentinosjrs#racingclub#huracan#rosariocentral#tigre#riverplate#atleticotucuman#football#argentinaligaprofesional
AI match predictions

@ai_match_prediction · Post #11632 · 20.04.2026 г., 13:05

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Argentina Liga Profesional Argentina🇦🇷 2026-04-20 18:00 UTC Barracas Central vs. Belgrano Cordoba Predicted outcome: Draw✅ Predicted score: 1:1 Actual: Draw 0:0 #BarracasCentral#BelgranoCordoba 2026-04-20 20:15 UTC Banfield vs. Independ. Rivadavia Predicted outcome: Independ. Rivadavia❌ Predicted score: 1:2 Actual: Draw 0:0 #Banfield#IndependienteRivadavia 2026-04-20 20:15 UTC Central Cordoba de Santiago vs. Platense Predicted outcome: Draw❌ Predicted score: 1:1 Actual: Central Cordoba de Santiago 4:3 #CentralCordobadeSantiago#Platense 2026-04-20 22:30 UTC San Lorenzo vs. Velez Sarsfield Predicted outcome: Draw✅ Predicted score: 1:1 Actual: Draw 0:0 #SanLorenzo#VelezSarsfield 2026-04-21 00:45 UTC Tigre vs. Huracan Predicted outcome: Draw✅ Predicted score: 1:1 Actual: Draw 1:1 #Tigre#Huracan 2026-04-21 00:45 UTC Gimnasia M. vs. Lanus Predicted outcome: Lanus❌ Predicted score: 1:2 Actual: Gimnasia M. 1:0 #GimnasiaM#Lanus #Football#ArgentinaLigaProfesional

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#barracascentral#belgranocordoba#banfield#independienterivadavia#centralcordobadesantiago#platense#sanlorenzo#velezsarsfield#tigre#huracan#gimnasiam#lanus#football#argentinaligaprofesional