python類(lèi)的定義與使用 Python類(lèi)中屬性和構(gòu)造方法的區(qū)別?
Python類(lèi)中屬性和構(gòu)造方法的區(qū)別?屬性是固有的屬性,例如人的身高和性別。方法可以操作,如走、騎、打、喊等屬性和方法一起,可以描述類(lèi)Python非常好用,可以做很多事情,網(wǎng)頁(yè)開(kāi)發(fā)、機(jī)器學(xué)習(xí)、人工智能
Python類(lèi)中屬性和構(gòu)造方法的區(qū)別?
屬性是固有的屬性,例如人的身高和性別。方法可以操作,如走、騎、打、喊等屬性和方法一起,可以描述類(lèi)
Python非常好用,可以做很多事情,網(wǎng)頁(yè)開(kāi)發(fā)、機(jī)器學(xué)習(xí)、人工智能、數(shù)據(jù)分析、定量投資、爬蟲(chóng)等。,可以應(yīng)用到各行各業(yè),我們正在做基于python的庫(kù),使python成為一種可以直接使用的語(yǔ)言,更像是一種與機(jī)器學(xué)習(xí)有關(guān)的工作,理論可能非常復(fù)雜,但實(shí)際上,用python只能實(shí)現(xiàn)幾行代碼,不需要花太多時(shí)間在代碼上。學(xué)習(xí)了python之后,我不想再寫(xiě)其他語(yǔ)言了。Python現(xiàn)在越來(lái)越流行了。
python是怎樣的編程語(yǔ)言?
在Python編程中,類(lèi)定義的代碼如下:
class< class name>:< statement>類(lèi)定義的特殊方法:
inituuuuuu構(gòu)造函數(shù),在生成對(duì)象時(shí)調(diào)用uuuuu deluuuu析構(gòu)函數(shù),在釋放對(duì)象時(shí)使用uuuuuruuuu打印、轉(zhuǎn)換uuuuuuuuuuu setitemuuuuu按索引賦值uugetitem_uuuuuuuuuuuuuuuuuuuu按索引獲取值uuuuuuuleng_uuuuuuuuuuu獲取長(zhǎng)度uuuuucmpuuuuuuuu比較運(yùn)算uuuuuuuu調(diào)用uuuuuuuuuuu函數(shù)調(diào)用uuuuuuuuuuuuuuuuuuuuuuu加法運(yùn)算uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu=0#定義私有屬性,不能在類(lèi)uuuuuuuweight=0之外直接訪問(wèn)的定義了構(gòu)造方法def uuuuuinit(self,n,a,w):姓名=n個(gè)自我年齡=a self.uuuweight=w def speak(self):打?。?s正在講話(huà):我%d歲“%)姓名, 自我年齡))p=人(“湯姆”,10,30)p.說(shuō)話(huà)()