鍝庯紝浣犳槸涓嶆槸缁忓父閬囧埌杩欑鎯呭喌锛熺敤鎴疯緭鍏ョ殑鎵嬫満鍙峰甫鐫€绌烘牸銆佷粠鏁版嵁搴撴嬁鍒扮殑鍦板潃娣风潃濂囨€鍙枫€佺埇铏姄鐨勬枃鏈噷钘忕潃涔辩爜... 杩欐椂鍊欒鏄笉浼氱帺杞瓧绗︿覆鏂规硶锛屽垎鍒嗛挓鎯崇牳閿洏瀵瑰惂锛熺ǔ浣忥紒浠婂ぉ甯︿綘瑙ｉ攣瀛楃涓插鐞嗙殑姝ｇ‘濮垮娍锛屼粠鍩虹鎿嶄綔鍒板疄鎴橀獨鎿嶄綔涓€缃戞墦灏斤紒

鈥?strong>鈥嬬涓€鍏筹細璁よ瘑浣犵殑姝﹀櫒搴撯€?/strong>鈥?br/> Q锛氬瓧绗︿覆鍒板簳鏄粈涔堢帺鎰忥紵
A锛氱畝鍗曡灏辨槸涓€涓插瓧绗︾殑闆嗗悎锛屽氨鍍?abc123锛丂#"杩欑锛屽湪Python閲岀敤鍗曞紩鍙锋垨鍙屽紩鍙峰寘鐫€銆傞噸鐐硅浣忓畠鏄€?strong>鈥嬩笉鍙彉鈥?/strong>鈥嬬殑鈥斺€斿氨鍍忓埢鍦ㄧ煶澶翠笂鐨勫瓧锛岃淇敼鍙兘閲嶆柊鍒诲潡鏂扮煶澶淬€?/p>

Q锛氫负浠€涔堣鏈夎繖涔堝瀛楃涓叉柟娉曪紵
A锛氫妇涓牀瀛愶紝浣犺鍦?000鏉＄敤鎴风暀瑷€閲屾壘鎵嬫満鍙凤紝鎬讳笉鑳借倝鐪肩瓫鏌ュ惂锛熻繖鏃跺€欌€?strong>鈥?find()/.replace()鈥?/strong>鈥嬪氨鏄綘鐨勭數瀛愭樉寰暅銆傚啀姣斿澶勭悊Excel瀵煎嚭鐨勬暟鎹紝娌♀€?strong>鈥?split()/.join()鈥?/strong>鈥嬩綘浼氳閫楀彿鍒嗗彿鎶樼（鐤殑銆?/p>

鈥?strong>鈥嬬浜屽叧锛氱敓瀛樺繀澶囧叚浠跺鈥?/strong>鈥?/p>

1. 鈥?strong>鈥嬪垏鐗囨搷浣溾€?/strong>鈥嬶細姣斿壀鍒€杩橀攱鍒?/li>

python澶嶅埗
text = "13012345678"
print(text[3:7])  # 鎴彇1234
print(text[-4:])  # 鎴彇鍚庡洓浣?678

1. 鈥?strong>鈥媠plit()鑺卞紡鍒囧壊鈥?/strong>鈥?/li>

python澶嶅埗
csv_data = "寮犱笁;鐢?28宀亅鏉庡洓;濂?35宀?
# 鍏堟寜绔栫嚎鎷嗭紝鍐嶆寜鍒嗗彿鎷?/span>
print([item.split(";") for item in csv_data.split("|")])

1. 鈥?strong>鈥媟eplace()鑺卞紡鏇挎崲鈥?/strong>鈥?br/> 閬囧埌鐏槦鏂囦篃涓嶆€曪細

python澶嶅埗
text = "鈩欚潟潟ヰ潟欚潟狆潟熺湡饾樉饾櫎饾櫎饾櫋锛?
print(text.replace("饾暘", "y").replace("饾樉", "C"))  # 杈撳嚭Python鐪烠ool锛?/span>

鈥?strong>鈥嬬涓夊叧锛氶伩鍧戞寚鍗椻€?/strong>鈥?br/> Q锛氫负浠€涔堟垜澶勭悊涓枃鑰佹姤缂栫爜閿欒锛?br/> A锛氳浣忚繖涓繚鍛戒笁杩烇細

• 鏂囦欢寮€澶村姞鈥?strong>鈥? -- coding: utf-8 --鈥?/strong>鈥?/li>
• 淇濆瓨鏂囦欢鏃堕€塙TF-8缂栫爜
• 瀛楃涓插墠鍔犫€?strong>鈥媢鈥?/strong>鈥嬪０鏄庯紙Python2闇€瑕侊級

Q锛氬鐞?0涓囪鐨勬棩蹇楁枃浠朵細涓嶄細鍗℃锛?br/> A锛氳瘯璇曠敓鎴愬櫒杩欎釜澶栨寕锛?/p>

python澶嶅埗
# 鏅€氬仛娉曪細鐬棿鍚冨厜鍐呭瓨
with open("big.log") as f:
    all_lines = f.readlines()

# 楂樼骇鍋氭硶锛氬儚娴佹按绾夸竴鏍峰鐞?/span>
def process_file():
    with open("big.log") as f:
        for line in f:
            yield line.strip().replace("error", "璀﹀憡")

鈥?strong>鈥嬬鍥涘叧锛氬疄鎴樻紨缁冨満鈥?/strong>鈥?br/> 鈥?strong>鈥嬪満鏅?锛氭墜鏈哄彿鑴辨晱鈥?/strong>鈥?/p>

python澶嶅埗
phone = "13800138000"
masked = phone[:3] + "****" + phone[-4:]
print(masked)  # 138****8000

鈥?strong>鈥嬪満鏅?锛氬湴鍧€娓呮礂鈥?/strong>鈥?/p>

python澶嶅埗
address = "鍖椾含甯?鏈濋槼鍖?,寤哄浗璺?8鍙凤紙鍦伴搧绔橝鍙ｏ級"
# 鍘绘爣鐐光啋鍘荤┖鏍尖啋鍘婚噸澶嶅垎闅旂
clean = address.translate(str.maketrans("锛岋紙锛?, "   ")).replace(" ", "").replace(",,", ",")
print(clean)  # 鍖椾含甯傛湞闃冲尯寤哄浗璺?8鍙峰湴閾佺珯A鍙?/span>

鈥?strong>鈥嬪満鏅?锛氬瘑鐮佸己搴︽娴嬧€?/strong>鈥?/p>

python澶嶅埗
def check_pwd(pwd):
    has_upper = any(c.isupper() for c in pwd)
    has_lower = any(c.islower() for c in pwd)
    has_digit = any(c.isdigit() for c in pwd)
    return len(pwd)>=8 and has_upper and has_lower and has_digit

鈥?strong>鈥嬪皬缂栫鎴跨粡楠屸€?/strong>鈥?br/> 甯︽柊浜烘椂鍙戠幇涓湁瓒ｇ幇璞★細80%鐨勫瓧绗︿覆闂鍏跺疄鐢ㄤ笉濂解€?strong>鈥?split()鈥?/strong>鈥嬪拰鍒囩墖灏辫兘瑙ｅ喅銆傛湁娆″疄涔犵敓鐢ㄦ鍒欒〃杈惧紡澶勭悊绠€鍗曞垎闅旓紝鎴戠湅鐫€閭ｅ爢[\s\t]+灏辨兂绗戯紝鍏跺疄鐢ㄢ€?strong>鈥媠plit(None, 3)鈥?/strong>鈥嬭繖绉嶅啓娉曞氨鑳介檺瀹氭媶鍒嗘鏁般€?/p>

杩樻湁涓喎鐭ヨ瘑锛氣€?strong>鈥嬪瓧绗︿覆灞呯劧鑳芥瘮澶у皬鈥?/strong>鈥嬶紒姣斿"apple"<"banana"浼氳繑鍥濼rue锛屽洜涓烘寜瀛楃閫愪釜姣旇緝ASCII鐮併€傝繖涓壒鎬у湪鎺掑簭鏂囦欢鍚嶆椂鐗瑰埆濂界敤锛屾瘮寰堝绗笁鏂瑰簱杩樺揩銆?/p>

鏈€鍚庤涓娉暀璁€斺€斿崈涓囧埆鍦ㄥ惊鐜噷鐢ㄢ€?strong>鈥?=鈥?/strong>鈥嬫嫾鎺ュ瓧绗︿覆锛佹湁娆℃垜鍋锋噿杩欎箞鍐欙紝澶勭悊5涓囨潯鏁版嵁鑺变簡3鍒嗛挓锛屾敼鐢ㄢ€?strong>鈥嬪垪琛?join()鈥?/strong>鈥嬪悗鍙0.3绉掋€傝浣忥紝瀛楃涓叉搷浣滃氨鍍忕倰鑿滐紝椋熸潗棰勫鐞嗗ソ浜嗭紝鏈€鍚庝笅閿呮墠蹇紒