Ripanga o Ihirangi[Huna][Whakaatu]
Kua marama ki a koe e rua nga momo tau kei roto i te kaupapa. arā te tauoti me te tau ira māngi.
He rite tonu nga mahi tatau i roto i te Python ki te pangarau o ia ra, ka huri haere ki enei mea e rua momo raraunga.
Operator Arithmetic
E whitu nga momo mahi taurangi. Ko enei:
Tāpiritanga (+): Ka taapirihia nga nama e rua. hei tauira
print(10 + 4)
Tangohanga (-): Tangohia te tau tuarua mai i te tuatahi. hei tauira
print(10 - 4)
Whakarea (*): Whakareatia kia rua nga tau. hei tauira
print(10 * 4)
Wehenga (/): Ka mahi wehewehe i runga i nga tau e rua. hei tauira
print(10 / 4)
Wehenga Papa (//): Ka mahi wehewehe me te whakaawhiwhi i te whakautu ki te tauoti tata. hei tauira
print(10 // 4)
Kaiwhakahaere Modulo (%): Ka mahi wehewehenga ka whakahoki i te toenga. hei tauira
print(10 % 4)
Tautoko (**): Ka mau te mana o te tauoti hei tauira
print(10 ** 4)
Ko enei mahinga katoa e whakaatuhia ana i raro nei:
Inaianei mo enei kaiwhakahaere katoa i akohia e koe, kei a matou he kaiwhakahaere taumahi kua whakanuia ake. Maku e whakaatu ki a koe me pehea te whakamahi.
Me kii tatou he taurangi ko 'x'. Ka whakatauhia e matou ki te 10, inaianei ka hiahia matou ki te whakanui ake i tenei ma te 3, me tuhi te waehere penei.
x = 10
x = x + 3
Ka taapirihia e te kaiwhakamaori Python te 3 ki te 'x' ka penapena ki te 'x'. Kia taia tenei:
Ka taea te whakamahi i tetahi kaiwhakahaere taumahi kua whakanuia ki te tukurua i taua mahi engari kia pai ake.
Ko te waehere kotahi ka tuhia penei.
x = 10
x += 3
Inaianei, ka taea te whakamahi mo te tango me te whakarea. Titiro ki tenei kaupapa.
I konei ka whakanuia te 'x' ki te 3, ka whakareatia ki te 3. Ko te putanga o te rarangi 2 kia 13, ko te putanga o te rarangi 3 kia 39.
Kaimahi Tuhinga o mua
I roto i te pangarau, he ariā ta tatou e kiia nei ko te operator precedence, ko te tikanga ko te raupapa o te mahinga o nga mahi i roto i te wharite. Ehara i te mea motuhake ki te Python, a ko nga reo hootaka katoa e whai ana i te mana whakahaere. Kia whakamahara ahau ki a koe mo te ota:
- whakapuru
- Tuhinga
- Wehenga, Whakarea ranei
- Tāpiritanga, Tangohanga ranei
Me tuhi he papatono ka tirohia tenei:
x = 10 + 3 * 2 ** 2 - (9 + 2)
He aha te whakautu ki te wharite o runga ake nei?
Mena he 11 to whakautu, kaore koe e hiahia ki te tuarua i te kura tuarua.
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