python os.path.join() 拼接時的坑

import os  pwd = os.getcwd() pwd1 = os.path.join(pwd,'/a') pwd2 = os.path.join(pwd,'a') print (pwd) print (pwd1) print (pwd2) 如果第二個參數中首字符時‘/’，拼接出來的鏈接不帶第一個參數

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