M'ndandanda wazopezekamo[Bisani][Show]
Takulandilani kunkhani yachiwiri mu yathu Python Crash Course kwa Oyamba zino.
Nkhaniyi idzayang'ana pa syntax ya Python ndikumvetsetsa momwe Python code imagwiritsidwira ntchito.
Tayika Python 3.10.4 kale m'makina athu. Tsopano tikufunika mkonzi wamakhodi wa Python. Pali zosankha zambiri kunja uko koma zomwe ndimakonda ndizo PyCharm.
Ndi amodzi mwa olemba ma code odziwika omwe amagwiritsidwa ntchito ku Python ndipo tikhala tikuigwiritsa ntchito pamaphunzirowa. Zikuwoneka ngati izi poyambira koyamba.
Tsopano pangani fayilo yatsopano ya Python mu polojekitiyi. tsopano mwakonzeka kulemba nambala yanu yoyamba ku Python.
Tsopano lembani:
print("Hello HashDork")
Tsopano yonjezerani menyu ya "Run" ndikudina kuthamanga. Mutha kugwiritsanso ntchito ma hotkeys 'Shift + F10' m'mawindo kapena 'Ctrl + cmd + R' mu macOS kuyendetsa pulogalamuyi.
Pambuyo pake, muwona zenera laling'ono la terminal pansi lomwe likuwonetsa zotsatira za code yanu. Iyi inali nambala yanu yoyamba ya Python. Tsopano tiona mmene anaphedwera.
Iyi inali nambala yanu yoyamba ya Python. Tiyeni tiyese chitsanzo china.
Mu chitsanzo ichi, tisindikiza nyenyezi 10 '*' pongochulukitsa nyenyezi imodzi ndi 10.
Type:
print("*"*10)
Zotsatira zidzawoneka chonchi.
Tsopano tiona mmene anaphedwera.
Kodi Python Code imayendetsedwa bwanji?
Tikalemba kachidindo mu Python, kachidutswa ka code mkati mwa makolo (“*”*10) amatchedwa mawu. Ndi chidutswa cha code chomwe chimapanga mtengo.
Chifukwa chake womasulira wa Python akayesa kugwiritsa ntchito mzere 2, choyamba amawunika kachidindo komwe kuli pakati pa maparenthesis mwachitsanzo mawuwo. Chifukwa chake itulutsa nyenyezi 10 ndikuzisindikiza pa terminal.
Zosintha mu Python
Zosintha ndi amodzi mwamalingaliro ofunikira kwambiri pamapulogalamu ndipo sizodziwika ku Python. Timagwiritsa ntchito zosintha kuti tisunge kwakanthawi mu kukumbukira kwa kompyuta.
Nachi chitsanzo,
Tiyeni tiyipe:
Price = 10
Pamene womasulira wa Python achita kachidindo kameneka, idzapereka kukumbukira komwe kudzasungiramo nambala 10. Pomaliza, idzagwirizanitsa mtengo uwu kumalo okumbukira.
Tsopano titha kugwiritsa ntchito kusintha kwa "Price" kulikonse mu pulogalamu yathu kuti tipeze mtengo womwe tasunga muzosinthazo.
Tsopano ngati mungalembe,
print(Price)
Kutulutsa kwa pulogalamuyi kudzawonetsa mtengo wosungidwa muzosintha "Mtengo" ie 10. Dziwani kuti zosinthazo zimakhala zovuta kwambiri.
Kotero umu ndi momwe timafotokozera zosinthika, timayamba ndi chizindikiritso chomwe ndi dzina la kusintha kwathu, ndiye chizindikiro chofanana ndipo potsiriza mtengo.
Tiyeni titengere pulogalamuyi pamlingo wina. Pa mzere wachiwiri, tikhoza kusintha mtengo wa mtengo wamtengo wapataliwu kukhala mtengo watsopano. Tiyeni tipange 20. Tsopano tikamayendetsa pulogalamu yathu, tiyenera kuwona 20, chifukwa womasulira wa Python amachita mzere wathu wa code ndi mzere kuchokera pamwamba.
Titha kusunga manambala, zoyandama, zingwe ndi ma boolean monga zosinthika. Kupatula apo, Python imatha kusunga zinthu zovuta monga mindandanda ndi zinthu zomwe tidzakambirana pambuyo pake.
Tsopano tiwona chitsanzo cha zingwe ndi mfundo za boolean.
Mu Python, chingwe ndi mndandanda wa zilembo za Unicode. M'mawu osavuta, ndi mndandanda uliwonse wa zilembo zomwe zimatanthauziridwa kwenikweni ndi script.
Monga,
name = 'HashDork'
Mofananamo, mfundo za boolean zimagwiritsidwa ntchito popereka mtengo Wowona kapena Wonama ku mawu.
is_published = True
Zindikirani kuti Python ndi chilankhulo chosavuta kumva ndipo nthawi zambiri muyenera kugwiritsa ntchito zilembo zazing'ono kuti mulembe zosinthika ndikuyamba ndi chapamwamba pomwe mukutanthauzira mtengo wa boolean. Pamenepa, 'chowona' sichidzazindikirika ndi womasulira ndipo zotsatira zake zidzakhala zolakwika. Underscore amagwiritsidwa ntchito kulekanitsa mawu mu dzina losinthika.
Pulogalamu Yachitsanzo
Tsopano, tiwona pulogalamu yachitsanzo yomwe idzagwiritse ntchito mfundo zapamwambazi.
Tangoganizani tilemba pulogalamu yachipatala. Chifukwa chake timayang'ana wodwala dzina lake Raj Koothrappali (Inde, mwamva). Ali ndi zaka 29 ndipo ndi wodwala watsopano. Ndikufuna kuti mufotokozere mitundu itatu apa, dzina lake, zaka zake, ndi zina kuti muwone ngati uyu ndi wodwala watsopano kapena yemwe alipo.
Siyani kusuntha ndikuyesa nokha.
Tsopano tiyeni tipeze yankho.
full_name = 'Raj Koothrappali'
age = 29
is_new = True
Womba mkota
Zonse zachokera mu phunziro ili.
Tiphunzira za kulandira zolowetsa mu Python, Type Conversion ndi Strings.
Siyani Mumakonda