求问这是怎么回事？

阿撩

1. #--------找密码-------#
   
2. def findcode(str1):
   
3.     list1 = []
   
4.     length = len(str1)
   
5.     for i in range(length):
   
6.         if str1[i] == str1[i].lower():
   
7.             if (str1[i-1] == str1[i-1].upper) and (str1[i-2] == str1[i-2].upper) and (str1[i-3] == str1[i-3].upper) and (str1[i+1] == str1[i+1].upper) and (str[i+2] == str[i+2].upper) and (str[i+3] == str[i+3].upper):
   
8.                 list1.append(str1[i])
   
9.     print(list1)
   
10. 
    
11. findcode("""ACFlCTLIQlAIVMTqHFkswqbDDHtpgcWaXSSglUYKE
    
12. lqNsYCyaQXBzrFUbkAUAWAKrDgDtAlGMBqWQhpEwquZqWZJpslUfMllCwWptqINjrOBTLuPzwvXNbLCx
    
13. oFRritKRpJgBOaGPZdkUzvYnvYmAlEsVmKRXqyQUOdCBqLYyboOYeAQNLnkuiDXCiNiksSSRpDMVQQgs
    
14. TmYThnppfKSmkpjjceGLaMOvYgsvNkGENKgGtUSzVPlLMeephDKrWGNpAxBqRiCnQIuKwDZurIRsznUp
    
15. xhstMWpHdZzqeEnttlAHiWbhbIJpwKBAGsFWthBiwBDKTFzIUamELZJFLbmqOmwBIYBJIofAUyxTLUEm
    
16. LcOXzjIHFcfUfEWccbWzhVuIZMdTVsOaNsLTpHjrvFaYTnJUrqaYnUmbobfOXXtkjKjFUEhVNlPWeaIY
    
17. uABNuEDKFWiUaqQiBHGsgEmDSKiJKLkkzFWlobXIyUlDzGcwDnEOwwWxgFpebsslmKItazIYctPROSJp
    
18. ImDHusQIkoFQSmuqwdcPNERvflfHtkGTrtbQXqZUsazoxmbVTPIuuxKvfALAaGnIuIZwczCcoIRMncBs
    
19. timFGHPJPaHMPTLjsBjIwbbzKyghaDTUStzJceaYAneywwpvdiUJifPHtXmAwZPChWsDmwonzeeQCEiB
    
20. xWsJLAtrdVEOBxEaYiSabHdUwlXlDOAKzZUwozJoBGvnFttDkXdYdjQSzzhTIPfYpWVFdiFIqSbyPZIi
    
21. VoXunBPbAJVMWluPcIfHmjPeHaTyClCvTOucEYEZXbVDiZMsfeuruDGMmQEsHutzvzVmWvCoPRguBiHh
    
22. taTeaguPmNuAxzYJLEcdoApfIFBaLUqettjTJNlHZYlJZRRoKXEvFnoUHdPjDuXuTAubGODkHAokpItw
    
23. SlEwhjrUSlfMawWlTMciWAzVcgPcqCHIaogokYAWGsvWZzBfJqzxIkCNvHDvBkOMCyeYXzVVuRJLQIOy
    
24. BMoVPgFLOagDxyPfWxTtZQNCLOrVVclPzMNYruNUyMOBKxBvinxuGMAAfndhPsROtkOJAAJQSxpmTzXm
    
25. CmEwZOhlItvETUneqvdKLghLyREjuJWRFjVVuNMiPuvvmRaEUmjCXDVuMRAvBuHUYGKPXthWISIbueRp
    
26. uvxpmqclmrXpAGFrxhJGxQwlrbkHEmcEUooCoPqGzbrCfIWmtUKmzzXvcqbhxKcAwXCNjbJDWDndKiLK
    
27. HwaFKyhXJQgHjIaTfIJrkhUpTHJZebRertDigQtDKxGerMRgHWFTrqqZlcBjAUfTZdFlZCAEZnhzgTIy
    
28. gJSsWJjFcCVoFonAfKPTOhTxjxTRtzSKLoIOScEwBCDvWFDVGpBOpijqdwvugoYsyuIOZJTcySDrzy
    
29. wBxediHOIYgasrUIDsNZcParqTGfTaBZHoSssXGtiCVvLReyoiitzMpsouqUeMHGWwDMgBaQTRkxPwNP
    
30. XsvyFVXfjgKuamMTsEsbeKDgAdVndyDleenPBcXWKGPcDsALDajkCEGufvbtyXUZnelqISbQnHphDoTH
    
31. RMIxMKclpWSvQHkzRhdAehBVaKYaXRPMpGaeRxvTRVFfewirvIDoGvYTAvKSoMFCLUNVFVKrYMeYtBrS
    
32. KgiBOjvliNOHLrmztypGhQjtpEQwzVfpVqsTUPvOCPzgqOuvLXJBQZHLmSwGTxEMgCAbogXombCiBDNX
    
33. BvGtXjrGWbWHtNCoRuqIZPhBQXZiNUhbmzOiyByAoMSBvusppiPVibIqmLXwXEVfcEAyNeUxaEZThULu
    
34. mkGmoLrpOEktwRluXvOmmfEWxZkxUNIqZKuzbaUmLKBYrXMmdOYLEzljzbSJnqRbSiAFyUNyyieKITkh
    
35. mvkKyosXKCaTsXQIKczJmxuqIEKeGGGwZyWTolQynlWngjDzFMlwhJFEmODeycbEfxgSRbIXySfwlhZZ
    
36. BUBhKyGBHRzWGRXAzarcmSDORvaOMOqYlcVIMwlHGtrLMhFWioqeKfvsJdTXmfQzavzSzCRrVzLFMaBT
    
37. DMOPFJcjzXcPvBkzacRmVKTQAvVobGRBypFHvoUdjvBhwWXVdDjvfJOocyIHbMqZGMaRaaFFnmtvTSkY
    
38. nIHbmPAtuEszMDFURBYxcOJXKMvJbfSbhiaacxhxiZBnoHTcFeqXQfjTqpcMKFpvvzkpSxlDxSlhikFZ
    
39. XSplcknpxiZfwUwGsrfpBUkevEiwndkKrVpWKufWpLTWXcyyXehOcDfnzgTAkhwOAcaiHqJWzsuAvMyD
    
40. pDJgeCdAJMwatRfcpKQGTkwxHracsYOlZeXoGthHIRfDBYzhuGEQRKFRnqSEbWDCJObWSAoSwFzVZEnI
    
41. rVBwXibUaTwnSTwRmIwkIgoGPRiOMLOTvnzEBBCfcugYZwGSsHRKCJoRsxxzRkKwnTRcRNfbMGssqmXV
    
42. IKYzyWHIsCjdzxiHEtvHaufVgcoqVkqIQertevTUTIVMYlNXCGEUzQowqsFpciURKoUwqCRogxeghOWs
    
43. cMnuAathgFvNIVqqXpmdJDJPhXQpZCyNbTYktMyTUtQEBeQBhEZzqHotmYREADhFodlcPmTMutBZyefW
    
44. sBmsnUbVnHUGAyaDirMoowBwXnzrmfHJgfpAquFoHTuvQvIJcjqiqVdntXbgwpVywbsKxqUMNxYVxBmQ
    
45. OAcxOAVPuJeOgABYEHhevhnUOgCUuTBAhJcUGsasbMInGCbHnHXWDdXijDRkUYFuOytTcMPtWklmTHTR
    
46. XFTfcFfSSqFUFbQVCKEjUOLveXtsHrIfkphXyDkRELnaTfuaZUClLqbdpWAREJHJpycYRDjElqlVeNya
    
47. kTCjDpvFrdnlXogrDZdQzAYaePDdfvHWdcaQGgrrHKBdMnMYbsikbkffVsITSUhEapmLGQYbHoiKGRcg
    
48. GPLeEvmCOAkGIuDBdnYPlzuUmLOfetGXpbTbPjjWCZiOJxlDazSbEPVpnNLDsLiwlgleiCdPezQwnNWT
    
49. ECLuRGpfJZlnZtcghLucmvlOZNwXaikbKGmoGZJIcsfNnmaHIcPXiEYDHjLKpVtNsqemAmaiTIzvLqlU
    
50. mlcvraikZozZwBoExUkELoiaAbTAkqDhrARHQyAvWvYUjthfWjZqbQNTnkgmySsORxGcxouYcyCSkjmC
    
51. fpTGOlFoXWLINurMZdQURRnZCiZqsEKeVVZdFMnaoUepdAdARtUuXTvkGzmpEVNZiYSWJAwkcSKgAWTD
    
52. mUNVxVebIiavuOAxWUBkuUkXCYtRoZhVNwCZGlaANNpBvXgSDeLURUdQnQteKAXbGlOLGYYYCzCGjzua
    
53. UmrdPYuRrUBvLFfwBGTiABTmpANdPCptqKwWXARMKrtmbggOBDgNkeHzNUCIXUIuOAavRbLTnzNNRgzL
    
54. boTJooLJIdVFbbjWNngnzPznJglCLEWqulqzSuAyvqYdivDqxEtYPKTwVheFmDidEOnLqjPHBcjoOVvt
    
55. MCDmQfwNxkOPuxiJqLQOPRAGJappmpikgmrvRAlKjFjTlaznQldBJmzSMDvCWghWOgfhfkHFZBNdbmMf
    
56. MsaQHrtJQvZuGFCrPVBNSNZBFZRdpmQNZYZXpkGjXRAXhELlxDfGhiXwgAUujQbqUCiKaRIYruNDRDlL
    
57. zInUkJBpySRZoqwQlqmoxADBjjtGjFPLTkcexYGwGYlANZQaXNgKkPXUUqlViVzxPxxtMQPqOxTcChCg
    
58. dvKNliVwzRfMmSsBFeuePnbmVqvyfdOXnZpUopEqfCMnnXpfZnNYwNKiZFPUWWmNCMibsyQEhiodVjTz
    
59. UxsicVsZNMXyvBLrdJxGGeCPEutNCzYBRamXwRlmVdqUTPnUoAWaVDshgTHZhvhVlLZsoqbyqOjJMPac
    
60. hHqiCKhgFkDUhUDSwsrEwaBrKhXINTjYmHvsTyFdRHliydbfQtRFZcsSTfcSfqyIgQuXLZnrdAwylBmW
    
61. BRbmVwdoNFcnoxMKHaYOhgihIsKitcrgEkfjIOKsDPOadFhMwVSKWeCfxxxfWjgNiGDaiYDtMhCgedOR
    
62. nTYoeVrpGsyDIsuKhffqaEqoqfWukaQlcUShYicuZAdoYVGvRchUgcmNwxQGogDvKhyAkIuqHCIXQfXp
    
63. CtkSSTXTugolUKfqSzugIOpyHhIlcTjDBTKPqcyaRhmgFdSBkYurnvnukNGVoxpZBFmwIEmehuaUcoeu
    
64. btkjJqKcAAqxgrKcoRGuqHVUHqKgEaqRCIXlaTqaUewJBEWnTnTJIDYdLeGUMDfndHPYTAGQbhxreADo
    
65. WZtdvbJVnNGRNvlAsqIPlpXSXEZGBdqVyNCCwylcXprVoGqnPXZioKnqbdrYlDhbsTVDJqRQKoPtQXzu
    
66. RnrGgCfYfeRRxiihjItxHurPwtYJoObDzlEABeIRxQocvWrJtyWchmZXJdYvTgicUircdiMKYAkNbdKu
    
67. gPpzXnTQIZxtIhvfBfjIHRaDXbYExxYBvrejpEaVHlinHlYRrhsbChnAwTKlQtHntqcqiXZwTUEdlsVy
    
68. WFdZNRfqzkhWzeKMGmkuKoSkuSZRkddsuBNFVMFLPeUkLwCCDKagNjMZwtHcVcEEKyjAYubHipuqNjaV
    
69. JukystpMZrhBgLqRVMpaIPsyAvYIsBDVqKNCMLqLwyhJhuWDdCPBgSzJTLkJvaGPirOFwfuMtkyXeKoZ
    
70. rGPRJqXyhdYNOXVSqGvbSPozAbjhpyfgGVuNUYaRQomzrTtzAMJnYnyvDnuBkbVvmYzhlhqmwgCZaGJG
    
71. GGRbaFdfnDlUfCfhpDWTkWfpUDuUksJvRFNxVYBKGoxBCdhmYZwyDPzWihcQXgByRbYxWZslVsbuTHTf
    
72. vaulICCTRkkiYuYoqFdzuxsqOBkzEJHbNXhSnHYxyeGoEklCeaUVEtjxmXyOEzcpsAhfKCTejxOxwGYh
    
73. eLtoPpPINviTCHUsgzSkycIxtvekMaoZkBIyLboyvMxxaqfviBxkSALNjiNYqGTypcZDvHonaVBZCSLp
    
74. SjRTsJmDuPwKnYwCdTprFvbXnrhARNToXpryIfEoIwSWIdfSKeOHDYwgyUvwXXpKUKQEiyZxCsTkAjME
    
75. hdxShAAUYJTkprXuFITxxJuKMiphRAyAeUFZgknMMLvUaSjiMlGmLARvTMpllxEQyfvEqkcONHVFcaTW
    
76. tqcbVrgeTLTGuJsrjZdYrrjtoLKcEfjkIhjzXgEkYhZggujFJuQlVtSqvuejtxAEqjgXrYjmwLkSRmXp
    
77. pkTfONxRyAxRYqJccLxuhabwMTWfwLTlzuVGJtVJOXxwKjFIZENpGHwRvTRitDBQBesRYATKhmWmmmbP
    
78. EXOzdBHNeghlqpjJFmzXyADNHQNEThWDyMsGsTmyFnywIPvDSIcxHbKQHgmJEcfsPzYvSYIbQjnTAgzF
    
79. UfZAbwfgCMRxtmZQQyayJFFhCSVeeUcQzSLWqhENNUpyLZaJsQsFQsPyFIjGtcmoJaFQGKTFtKUBdBBo
    
80. xECKHgYSMcBWnzRvPyihfjwyjhTTavfYqOrbrgZDSrwVYFjNsdxLJIigfMgythUoUIVSydOnfhAaesXZ
    
81. kfyDztQiBCMHjfEGLFllxfejLJjanZVRENsXhIxSWDgbvHHOAFtHzqdfquGbdQvOFlhDiWpxwEolxbep
    
82. fVfpKYGMNIQuOlmtTkNRDFTVMtVkEXYUDZKfEihbxXsSLGDcKSHSMXZxAturZVEQgismVAgMVVatqjBM
    
83. rXeHaGdccPJMlqhVAePDyEoIRTLCwJpkNTuOjEKEvXaAGhWmhWPHCBMVPkcPklbGIvzMzOFplRUsvZbE
    
84. vScmmoKktOUVOeKBcqVvoSsplqqssDvLiPqucbrxoNkodsbrZnvoDfyNGyUAURseEuJPUWsEiVCNcUNd
    
85. sxzoRVpEFuFloqWLumNVJITKXnWnOlGpCaQgTLJYizixXoxAHHbodRtPHBbnSzZRZOmlWKOQqvHWAhDh
    
86. cYBGRQsFwyesMILhiwjnvjeMIZnHYHYNrmOahjrVPuRgsxdfgUbKCZAVfcOizDeQLKiFQmQQUlDHnCQe
    
87. lMnlLSrtXhmGDqISCgElUrZXbXjGGkdWadBbxzVojGQwyhAbWMhSKFFwoIqJfIDdZjUdfCYFkpDdIuWe
    
88. aFIUFhnlsREthBRoaquSzBVVOPABfuAYZpoalZwNfZMPOptcoQYVUdRYlXuYChPAdRJgFgwPyTszSXIe
    
89. qHRtMxyNlPGoBfpjxHnNvwIADmJmquLgMQGtpJAyvflZjFwAgIymerCTnVkjvqPKFVRscOqAhqvCqCjw
    
90. BBojzXKIdphOVTFKhBpnIWYRfuqvQZgVMaqNBkYKzqGaEnBFKZukSLdPbXNmcZtMeykLwlLbZqaHayOb
    
91. IWZvbxEXXnaozCHeyiYMnWqIAwJxhMIPDsgySMKhdBYmdrGdbJOfJralshwvhWlmatTsylewdimJEzph
    
92. tuTzSGOkGDPPvltRVJPdHRPBTAsKWncfjjuHdlEVOeZIvVnUFHmyGTFDlMGVyAIdzLocbTXIHYTopIok
    
93. UHFAVjEXPlsMoKTriyGnfeTlVzvGhVZzUAWWPdZNdIxKioQylFMJZmSToyRGsDJKJXQxPkINvmoHCVUc
    
94. RIjImkWWxTnDLQiXdmHqQrWBuvguUUubGByTRnJfkNWxsSupcfIVgboDWzqYHEfAnIKCfdYUOslfXPax
    
95. YnaJfNLqJgcxRjBmRpOYgNpZOpzMOCVIRiiXdIqqFxPJhQqJadKiCesOsZoWGWbbQSVRZUlbNZdzeUTE
    
96. nhdMSCKCPbpWZguZHGkLiWCisjqnaLbJpbRFAHPjGbHOXKZQXoQQZohmVqjTcdWNhXEjPlLKnjpwbMPQ
    
97. ybzDvGgkybXtbDmjQuyOrMrcYGRGGfuuPXzieaetSBidnSRPsLaXKGcxDkXmHbqMWZJXsQkwtojlxOeU
    
98. KSIFdVvNEnOUmIZDdlnwtJcPBlcpRWNTazpzgItwJotSLWZruzrMlSGASMWDwOqTpeYYHaTHCCurPdwB
    
99. AWzUtwblZXNrBYdjUoDacvmRVURqOzUPlnFISsZMFPtthnDHSsFgkYfsMtXFuNPhLTleWVrmelyFaemo
    
100. bVIhEAxNwOUDQCOCDIBHsQlFxCbHErKiBsvQNjuIGnIzZiwoVTdUZnucSaKdHrxJeGQfTawFJefGJFFa
     
101. GHzELfnGBmkZyorbbDDwhvEVeIYIGLPMEuZduqFjbeWbVfzVIRZNXwPLgcYUsevuhEQXfYcJshYnJaWz
     
102. iqvlswEBRKNYEJidlzdWnQJpBtyjHYVpkQGzdYkeREqjhmmnUIbGZVnwwaMKqgXfURSICNxdteUSGhGZ
     
103. UEEFhWRoTKGRwFmPpZPOsalsrNOlkTdXqGKoWlWkqJvYYrtLiTfhdItMbbhdumSYgCcQVUARnYFWkCsC
     
104. jElZxrQHIlbTHFLOnrutlvyxzaSIdkJgeyMUnUmtXfnaIedbAInAuQssOQqBTLbvFRiqKqUSdUEmcRmN
     
105. LvAxlgliymfbjTwDSqNTLcAEIerzpUShNKkuehciEAYeGJOFFcOvurJFUyfZhQqzfaneiBcrPhaphSCB
     
106. StQiJvtoPhHcLUbriDUIfifVFnNtJfGlmcbQJSXsZfVjpbqnkMllUmHzLvEuSarSlNlNHsWvYlfhjMEA
     
107. epYTjoRGZeAAtURFeDfDxTYmOmONuQQBdcdncFGjhHmKlwqmUWoXuIXIxaaXnNThgPGtIlynrUIPLQTG
     
108. xXhattDrfBGbZRveKbgjzxJLdYREQlMeLtcIEUoyJocdAfUbymxuFLVjGkOQniiPParqoyQYfDYAQTkM
     
109. WLicLxpEFkBbwlKrTyYilKTtYkpVGxtOjYmcBDOrwFhFiGutmpTyTarUbVUeSevBTdaPDpjRkaEmLJMg
     
110. WsMhSGfIcBChcqrRKgKpjvGnFipjswgjetRtniMagakbCXAjpzWTtMlgZGCJwGyglpcLebrKWhgwJfWV
     
111. qGifWNEpCtjuejHoyVCdIxzMYGnfoslgTNAJdtVBWDVoGLzHSAVBTnhNIvAOExQNiJOIPPiHkdaRbfaP
     
112. ixDDoCDOOeAqvQJFxLWDICfGmufyxmaMshbvcrtjqqVtffZTnbtCOQfzRMGwOQEKaAmSWjnYdNgvdkmd
     
113. dQmaKZSdqKNrnvJlcyVMKuNWmuoOeyKecgjXbmSqnpjwJEaDYoehEklEgJyiksGxdEKgfYRXQecRZgfe
     
114. qKWGc""")
     

复制代码

运行出来list1还是空的。
求问各位大佬这是怎么回事？

堕落之翼

1. def findcode(str1):
   
2.     list1 = []
   
3.     length = len(str1)
   
4.     for i in range(3,length-3):
   
5.         if str1[i].islower():
   
6.             if str1[i-1].isupper() and str1[i-2].isupper() and str1[i-3].isupper() and str1[i+1].isupper() and str1[i+2].isupper()  and str1[i+3].isupper():
   
7.                 list1.append(str1[i])
   
8.     print(list1)

复制代码

使用索引时要注意下标越界，判断大小写用 isupper()和islower()

阿撩

堕落之翼 发表于 2017-10-9 09:05
使用索引时要注意下标越界，判断大小写用 isupper()和islower()

嗯嗯 好的 谢谢！