TA貢獻(xiàn)1811條經(jīng)驗(yàn) 獲得超4個(gè)贊
用re.sub直接替換空格感覺更方便些
import re text = "I am an handsome boy" print(re.sub(r'\s+', '', text))
TA貢獻(xiàn)1891條經(jīng)驗(yàn) 獲得超3個(gè)贊
遞歸忘了寫返回,在判斷s[0]==" "時(shí),要reutrn ltrim(s)
s[0]==" "
reutrn ltrim(s)
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