Python给定一个字符串,去除字符串的非字母字符然后将每个字符串的首字母大写？ 1． 输入一行字符串，将其中的非字母字符剔除，然后将字母全部...
1\uff0e \u8f93\u5165\u4e00\u884c\u5b57\u7b26\u4e32\uff0c\u5c06\u5176\u4e2d\u7684\u975e\u5b57\u6bcd\u5b57\u7b26\u5254\u9664\uff0c\u7136\u540e\u5c06\u5b57\u6bcd\u5168\u90e8\u8f6c\u6362\u4e3a\u5927\u5199\u5b57\u6bcd\uff0c\u5e76\u4e14\u7edf\u8ba1\u51fa\u6bcf\u4e2a\u5b57\u6bcd\u7684\u4e2a\u6570Dim str As String: str = InputBox("Str=")
Dim nStr As String
Dim i As Long
For i = 0 To Len(str) - 1
Select Case Asc(Mid(str, i + 1, 1))
Case 97 To 122, 65 To 90
nStr = nStr & Mid(str, i + 1, 1)
End Select
Next
nStr = UCase(nStr)
MsgBox nStr
Dim str1 As String, str2 As String, n As Integer
Dim a() As String
'\u5b9a\u4e49str,str2 \u4e3a\u5b57\u7b26\u4e32\u53d8\u91cf,n\u4e3a\u6574\u578b\u53d8\u91cf
str1 = InputBox("", "\u8f93\u5165\u4e00\u884c\u5b57\u7b26\u4e32!")
'\u5c06\u8f93\u5165\u6846\u5185\u5bb9\u4ed8\u7ed9str
n = Len(str1)
'\u53d6str\u957f\u5ea6
ReDim ar(n-1) As String
Dim i As Integer
'\u5b9a\u4e49\u4e00\u6570\u7ec4\u548c\u4e00\u6574\u578b\u53d8\u91cf
For i = 0 To n - 1
ar(i) = Mid(str1, i + 1, 1)
'\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\u4ed8\u7ed9\u6570\u7ec4\u6bcf\u4e00\u4e2a\u5143\u7d20
If Asc(ar(i)) 122 Or (90 < Asc(ar(i)) And Asc(ar(i)) < 97) Then
ar(i) = ""
'\u4e0d\u4e3a\u5b57\u6bcd\u5219\u4e3a\u7a7a
ElseIf 90 < Asc(ar(i)) Then
ar(i) = Chr(Asc(ar(i)) - 32)
'\u5c0f\u5199\u8f6c\u5927\u5199
End If
Next
For i = 0 To n - 1
str2 = str2 + ar(i)
Next
MsgBox (str2)
'\u9996\u5148\u4f60\u4e0d\u80fd\u5b9a\u4e49str\u53d8\u91cf\uff0c\u56e0\u4e3a\u8fd9\u4e2a\u662f\u7cfb\u7edf\u51fd\u6570\uff0c\u7b2c\u4e8c\u4f60\u4e0d\u80fd\u76f4\u63a5dim a(n),n\u53ea\u80fd\u662f\u5e38\u91cf\uff0c\u53ea\u6709redim\u624d\u53ef\u4ee5\u7528\u53d8\u91cf\u5b9a\u4e49\u6570\u7ec4\uff0c\u7b2c\u4e09\uff0c\u4f60\u7684\u6570\u7ec4\u591a\u4e00\u4e2a\u7a7a\u7684\u6570\u7ec4\uff0c\u56e0\u4e3a\u6570\u7ec4\u662f\u4ece0\u5f00\u59cb\u7684\uff0c\u6240\u4ee5\u6211\u7ed9\u5b9a\u4e49\u4e3aa\uff08n-1\uff09\u5373\u53ef\uff0c\u5f53\u7136\u8fd9\u4e2a\u8fd8\u6709\u66f4\u7b80\u4fbf\u7684\u65b9\u6cd5\u8f6c\u6362\u5c0f\u5199\u5230\u5927\u5199\uff0c\u5c31\u662f\u7528ucase\u51fd\u6570\uff0c\u4e0b\u9762\u662f\u4f8b\u5b50
Dim str1 As String, str2 As String, n As Integer
Dim a() As String
'\u5b9a\u4e49str,str2 \u4e3a\u5b57\u7b26\u4e32\u53d8\u91cf,n\u4e3a\u6574\u578b\u53d8\u91cf
str1 = InputBox("", "\u8f93\u5165\u4e00\u884c\u5b57\u7b26\u4e32!")
'\u5c06\u8f93\u5165\u6846\u5185\u5bb9\u4ed8\u7ed9str
n = Len(str1)
'\u53d6str\u957f\u5ea6
ReDim ar(n - 1) As String
Dim i As Integer
'\u5b9a\u4e49\u4e00\u6570\u7ec4\u548c\u4e00\u6574\u578b\u53d8\u91cf
For i = 0 To n - 1
ar(i) = Mid(str1, i + 1, 1)
'\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\u4ed8\u7ed9\u6570\u7ec4\u6bcf\u4e00\u4e2a\u5143\u7d20
ar(i) = UCase(ar(i)) '\u5c0f\u5199\u8f6c\u5927\u5199
If Asc(ar(i)) 122 Or (90 < Asc(ar(i)) And Asc(ar(i)) < 97) Then
ar(i) = ""
'\u4e0d\u4e3a\u5b57\u6bcd\u5219\u4e3a\u7a7a
End If
Next
For i = 0 To n - 1
str2 = str2 + ar(i)
Next
MsgBox (str2)
inp = input()
inp2 = ''
for i in inp:
if i.isalpha():
inp2 += i
print(inp2.upper())
a=input('请输入字符串')
m=[]
for i in a:
if i.isupper():
m.append(i)
elif i.islower():
m.append(i.upper())
else:
pass
b=''.join(m)
print(b)
绛旓細渚嬪锛氬垹闄瀛楃涓涓殑an瀛愪覆 s = "banana"s = s.replace("an", "")print(s) # 杈撳嚭ba 濡傛灉瑕佸垹闄ゅ垪琛ㄤ腑鐨勬煇涓厓绱狅紝鍙互浣跨敤remove()鏂规硶锛屼紶鍏ヨ鍒犻櫎鐨勫厓绱犲笺備緥濡傦細鍒犻櫎鍒楄〃涓殑3 lst = [1, 2, 3, 4, 5]lst.remove(3)print(lst) # 杈撳嚭[1, 2, 4, 5]濡傛灉瑕佸垹闄ゅ垪琛ㄤ腑鐨勬煇...
绛旓細1銆佸鏋滃彲閫夊弬鏁版渶澶у缁欏畾锛鍙湁绗涓涓璁℃暟鍙戠敓鏇挎崲銆備緥瀛愪笅闈㈢殑绀轰緥婕旂ず浜唕eplace()鏂规硶鐨勪娇鐢ㄣ2銆乻tr.split()娌℃湁鍙傛暟锛屼唬琛ㄤ互绌哄瓧绗﹀垎鍓诧紝绌哄瓧绗﹀寘鎷┖鏍笺佸埗琛ㄧ銆佸洖杞︾銆佹崲琛岀绛夈傚洜姝わ紝瀛楃涓涓殑绌烘牸鍜孿n閮芥槸鏃犲弬鐨剆plit()鐨勫垎鍓茬銆3銆佸瓧绗︿覆鏄Python涓鏈甯哥敤鐨勬暟鎹被鍨嬶紝鎴戜滑涓鑸娇鐢...
绛旓細str='today I will go home'list=[]for i in str: if str.count(i)==1: list.append(i)print(list)杩愯缁撴灉锛
绛旓細璇︾粏瑙ｉ噴锛1. split鏂规硶鐨勫熀鏈敤娉 `split`鏄Python瀛楃涓茬殑涓涓唴缃柟娉曪紝鐢ㄤ簬鏍规嵁鎸囧畾鐨勫垎闅旂灏嗗瓧绗︿覆鍒嗗壊鎴愬涓瓙瀛楃涓诧紝骞惰繑鍥炰竴涓寘鍚繖浜涘瓙瀛楃涓茬殑鍒楄〃銆2. 浣跨敤split鏂规硶鍒嗗壊瀛楃涓 浣跨敤`split`鏂规硶鏃讹紝闇瑕佷紶鍏ヤ竴涓弬鏁帮紝鍗崇敤浣滃垎闅旂鐨勫瓧绗︿覆銆備緥濡傦紝濡傛灉鎴戜滑瑕佹寜鐓х┖鏍兼潵鍒嗗壊涓涓瓧绗︿覆锛...
绛旓細涓銆佺储寮曟搷浣 瀛楃涓鏄敱涓浜涜繛缁殑瀛楃缁勬垚锛屾敮鎸佺储寮曟搷浣滐紝绱㈠紩浣嶇疆浠0寮濮嬶紝姣斿浠ヤ笅浠ｇ爜浼氳緭鍑衡橮鈥樺瓧绗︼細浜屻佹埅鍙栧瓙涓 瀛楃涓蹭篃鍙互鍍忓垪琛ㄩ偅鏍缁欏畾璧峰涓庣粓姝㈢储寮曠敓鎴涓涓鏂扮殑瀛愪覆锛屾瘮濡備互涓嬩唬鐮佷細杈撳嚭鈥淧y鈥濓細涓夈佽繛鎺ユ搷浣 澶氫釜瀛楃涓茬浉鍔犱細鐢熸垚涓涓柊涓诧紝姣斿浠ヤ笅浠ｇ爜杈撳嚭鈥滾ove Python鈥滐細鍥涖佸ぇ灏...
绛旓細鍦Python涓锛屽彲浠ラ氳繃浠ヤ笅鏂规硶鍒涘缓涓涓瓧绗︿覆str1锛屽叾鍐呭涓"Hello Python!"锛屽苟灏嗗叾鎵╁睍鍒50涓瓧绗︺備互涓嬫槸瀹炵幇杩欎竴鐩爣鐨勪唬鐮侊細pythonCopy codestr1 = "Hello Python!"str1_padded = str1.ljust(50, ' ')print(str1_padded)杩欓噷锛屾垜浠鍏堝畾涔変簡涓涓悕涓簊tr1鐨瀛楃涓诧紝鍏跺唴瀹逛负"Hello Python...
绛旓細return s[0:len(s)] + letter # 浣跨敤瀛楃涓插垏鐗囧姛鑳戒粠绗竴涓瓧姣嶅紑濮嬶紝鐩村埌杈撳叆鐨勫瓧姣嶄负姝 s = "Hello, world!"letter = "o"result = write_letters(s, letter)print(result) # 杈撳嚭锛歟llo, world!o 鍦ㄤ笂闈㈢殑绀轰緥涓紝鎴戜滑瀹氫箟浜涓涓瓧绗︿覆`s`鍜屼竴涓瓧姣峘letter`锛岀劧鍚庤皟鐢╜write_letters`...
绛旓細1銆佸弻鍑绘墦寮pycharm寮鍙戝伐鍏凤紝鍒涘缓python椤圭洰锛岀劧鍚庢柊寤簆ython鏂囦欢銆2銆佸畾涔夊嚱鏁癱ountNum锛屼紶鍏ュ弬鏁癮mn锛涚劧鍚庝娇鐢ㄥ瓧鍏革紝鑾峰彇瀛楃涓蹭腑鐨瀛楃锛缁熻鍑虹幇鐨勬鏁帮紝鐒跺悗浠ュ瓧鍏稿舰寮忚繑鍥炪3銆佸畾涔涓涓瓧绗︿覆鍙橀噺cmn锛岀劧鍚庤皟鐢ㄥ嚱鏁癱ountNum锛屼紶鍏mn锛岀劧鍚庡皢杩斿洖鐨勫肩粰鍙橀噺bmn锛屽苟鎵撳嵃銆4銆佸啀娆″畾涔変竴涓┖瀛楃涓插彉閲弅mn...
绛旓細鐢╯plit杩欎釜鍑芥暟灏辫锛屽緢绠鍗曠殑 >>> s = "qaz>123>wsx">>> s.split('>')['qaz', '123', 'wsx']>>>
绛旓細缁欏畾瀛楃涓A鍜屽瓧绗︿覆B锛岃妫娴嬪瓧绗︿覆A鏄惁鍦ㄥ瓧绗︿覆B涓紝濡傛灉瀛樺湪鍒欒繑鍥炲瓧绗︿覆B涓瘡娆″嚭鐜板瓧绗︿覆A鐨勮捣濮嬩綅缃紝鍚﹀垯杩斿洖 -1 銆傛敞鎰忥細 split() 鍒嗗壊鎿嶄綔鏃讹紝濡傛灉鎵鎸囧畾鍒嗗壊涓蹭笉鍦ㄥ瓧绗︿覆涓紝閭ｄ箞浼氳繑鍥炲瓧绗︿覆鏈韩銆
