pythonæè¡è¯»åæ件ç´æ¥ä½¿ç¨for in openæ¹å¼å³å¯ï¼å»é¤'\n'ï¼å¯ä»¥ä½¿ç¨ä¸¤ç§æ¹æ³ï¼ä¸ç§æ¯æ¿æ¢å½æ°ï¼replace('\n','')æ
æ¢è¡ç¬¦æ¿æ¢æ空;ä¸ç§æ¯å»é¤ç©ºç½å符å½æ°ï¼rstrip('\n')å°±æ¯æ
å符串æ«å°¾æå®å符å é¤ï¼è¿éå é¤æ¢è¡ç¬¦ï¼'\n'ï¼ã
代ç ï¼
æ¹æ³1ï¼
for line in open('è¦æå¼çæ件å', 'r'): # æå¼æ件
rs = line.replace('\n', '') # æ¿æ¢æ¢è¡ç¬¦
print(rs) # æ¾ç¤ºæ¿æ¢åçè¡
æ¹æ³2ï¼
for line in open('è¦æå¼çæ件å', 'r'): #æå¼æ件
rs = line.rstrip('\n') # 移é¤è¡å°¾æ¢è¡ç¬¦
print(rs) # è¾åºç§»é¤åçè¡
å½æ°è¯´æï¼
replace(...)
S.replace(old, new[, count]) -> str è¿åSåºç°çææoldå串çæ¢ænewå串çå符串ãå¦æå¯éåæ°countæå®ï¼åªæ第ä¸è®¡æ°åºç°è¢«æ¿æ¢ã
rstrip(...) S.rstrip([chars]) -> str
è¿åå符串Sç»å°¾å»æç©ºæ ¼çå¯æ¬ãå¦æåæ°å符ç»åºï¼ååªå é¤æå®å符ï¼èä¸æ¯ç©ºæ ¼ã