{"id":109220,"date":"2026-09-23T17:48:56","date_gmt":"2026-09-23T09:48:56","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/109220.html"},"modified":"2026-09-23T17:48:56","modified_gmt":"2026-09-23T09:48:56","slug":"python%e5%ad%97%e7%ac%a6%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/109220.html","title":{"rendered":"python\u5b57\u7b26\u7c7b\u578b"},"content":{"rendered":"

python\u4e2d\u7684\u5b57\u7b26\u7c7b
\n\u4e00\u3001\u7d22\u5f15
\n\u4f7f\u7528\u7d22\u5f15\u6765\u8bbf\u95ee\u5e8f\u5217\u4e2d\u7684\u5143\u7d20
\n\u6b63\u5411\u7d22\u5f15：0123456
\n\u8d1f\u5411\u7d22\u5f15： \u00a0-3 -2-1<\/p>\n

\u4e8c\u3001\u6839\u636e\u7d22\u5f15\u5207\u7247
\n\u516c\u5f0f：\u5f00\u59cb\u503c，\u7ed3\u675f\u503c，\u6b65\u957f
\n\u5305\u542b\u5f00\u59cb\u503c，\u4e0d\u5305\u542b\u7ed3\u675f\u503c，
\n\u7d22\u5f15\u4ece0\u5f00\u59cb
\n\u6848\u4f8b：
\nstr1="abcdefghijk"
\n#\u6b63\u5411\u7d22\u5f15：01234567
\nprint(str1[0:1]) #0\u7d22\u5f15，\u5305\u542b\u5f00\u59cb\u503c，\u4e0d\u5305\u542b\u7ed3\u675f\u503c
\nprint(str1[0:3]) #abc 0\u662f\u5f00\u59cb\u503c，3\u662f\u7ed3\u675f\u503c
\nprint(str1[-1:-3:-1]) #-1\u5f00\u59cb\u503c，-3\u7ed3\u675f\u503c，-1\u53cd\u5411
\nprint(str1[-3:-1]) #ij \u00a0#-3\u5f00\u59cb\u503c，-1\u7ed3\u675f\u503c
\nprint(str1[2:]) #cdefghijk \u00a02\u5f00\u59cb\u503c，\u7a7a\u683c，\u4ee3\u8868\u6240\u6709
\nprint(str1[:5]) #abcde \u00a0\u5f00\u59cb\u503c\u7a7a，\u6240\u6709\u503c，5\u7ed3\u675f\u503c
\nprint(str1[1:6:2]) #bdf \u00a01\u5f00\u59cb\u503c，6\u662f\u7ed3\u675f\u503c，2\u6b65\u957f（\u95f4\u9694）
\nprint(str1[::3]) #adgj \u00a0\u95f4\u96943
\nprint(str1[:])##abcdefghijk \u663e\u793a\u6240\u6709\u5185\u5bb9
\nprint(str1[::-1]) #kjihgfedcba \u53cd\u8f6c<\/p>\n

\u4e09\u3001\u5b57\u7b26\u7c7b\u578b
\nstr \u5b57\u7b26\u7c7b\u578b
\nstr2="abcefghakla2masz"
\nstr3="ABC"
\nstr4="asdf"
\nstr5="1345"
\nstr6="Anmmm"
\n# print(str2.capitalize()) #Abcefg hijklmn \u9996\u4e2a\u5b57\u6bcd\u5927\u5199
\n# print(str2.title()) #Abcefg Hijklmn #\u9996\u4e2a\u5b57\u6bcd\u5927\u5199，\u6bcf\u4e2a\u5b57\u6bcd\u5927\u5199
\n# print(str2.count("a")) # 2 \u00a0\u7edf\u8ba1\u5b57\u7b26\u4e2a\u6570
\n# print("*".join(str2)) #\u628a\u96c6\u5408\u4e2d\u7684\u5b57\u7b26\u6309\u81ea\u5b9a\u4e49\u7684\u5206\u9694\u7b26\u8fde\u63a5\u5728\u4e00\u8d77
\n# print(str2.split("h")) #\u628a\u5b57\u7b26\u4e32\u901a\u8fc7\u6307\u5b9a\u6807\u8bc6\u7b26\u8fdb\u884c\u5206\u5272
\n# print(str2.strip("a")) #\u5220\u9664\u5b57\u7b26\u4e32\u5f00\u5934\u548c\u7ed3\u5c3e\u6709a\u6216b\u7684\u5b57\u7b26 bcefg hijklmn
\n# print(str2.rstrip("a")) #\u5220\u9664\u5b57\u7b26\u4e32\u7ed3\u5c3e\u6709a\u5e8f\u5217\u5b57\u7b26abcefg hijklmn
\n# print(str2.lstrip("a")) #\u5220\u9664\u5b57\u7b26\u4e32\u5f00\u5934\u6709ab\u5e8f\u5217bcefg hijklmna
\n# print(str2.startswith("a")) #\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u4ee5\u4ec0\u4e48\u5f00\u59cb #True
\n# print(str2.startswith("b")) #\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u4ee5\u4ec0\u4e48\u5f00\u59cb False
\n# print(str2.endswith("n")) #True\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u4ee5\u4ec0\u4e48\u7ed3\u675f
\n# print(str2.endswith("m")) #False\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u4ee5\u4ec0\u4e48\u7ed3\u675f
\n# print(str2.find("a")) #0\u663e\u793a\u67e5\u627e\u5230\u7684\u7d22\u5f15\u4f4d，\u5de6\u8fb9\u5f00\u59cb\u67e5，\u627e\u5230\u5c31\u505c\u6b62\u67e5\u627e
\n# print(str2.find("x")) #-1 \u67e5\u627e\u4e0d\u5b58\u5728\u663e\u793a-1
\n# print(str2.rfind("a")) #11 \u00a0\u7d22\u5f15\u4f4d，\u53f3\u8fb9\u5f00\u59cb\u67e5，\u627e\u5230\u5c31\u505c\u6b62\u67e5\u627e
\n# print(str2.rfind("p")) #-1 \u67e5\u627e\u4e0d\u5b58\u5728\u663e\u793a-1
\n# print(str2.replace("a","1")) #1bcefghijkl1mn \u5c06\u6240\u6709\u6307\u5b9a\u5b57\u7b26\u66ff\u6362
\n# print(str2.replace("a","1",2)) #1bcefgh1klamasz \u6307\u5b9a\u66ff\u6362\u5b57\u7b26\u6b21\u6570
\n# print(str3.lower()) #abc\u65b9\u6cd5\u8f6c\u6362\u5b57\u7b26\u4e32\u4e2d\u6240\u6709\u5927\u5199\u5b57\u7b26\u4e3a\u5c0f\u5199
\n# print(str4.upper())#ASDF \u00a0\u5c06\u5c0f\u5199\u8f6c\u6362\u6210\u5927\u5199
\n# print(str1.isdigit()) #False \u5224\u65ad\u5168\u6570\u5b57
\n# print(str5.isdigit()) #True \u5224\u65ad\u5168\u6570\u5b57
\n# print(str1.isalnum()) #True\u5224\u65ad\u5b57\u7b26\u4e32\u5f53\u4e2d\u662f\u5426\u5168\u90fd\u4e3a\u6570\u5b57，\u5168\u4e3a\u5b57\u6bcd，\u6216\u8005\u6570\u5b57\u5b57\u6bcd\u7ec4\u5408
\nprint(str2.isalpha()) #False\u5224\u65ad\u662f\u5426\u7eaf\u5b57\u6bcd
\nprint(str6.istitle()) #True\u5224\u65ad\u5b57\u7b26\u4e32\u4e2d\u9996\u5b57\u6bcd\u662f\u5426\u4e3a\u5927\u5199，\u5176\u4ed6\u662f\u5426\u4e3a\u5c0f\u5199，\u5176\u4ed6\u4e0d\u4e3a\u5c0f\u5199\u5219\u4e3a\u5426
\nprint(str3.isupper()) #True\u5224\u65ad\u662f\u5426\u7eaf\u5927\u5199
\nprint(str3.islower()) #False \u5224\u65ad\u662f\u5426\u7eaf\u5c0f\u5199<\/p>\n

\u7ec3\u4e60\u9898：
\n\u628a\u5b57\u7b26\u4e32user_controller\u8f6c\u6362\u4e3a\u9a7c\u5cf0\u547d\u540dUserController\u5927\u9a7c\u5cf0\u5728java\u7528\u4f5c\u53d8\u91cf\u547d\u540d
\n（\u524d\u82f1\u6587\u4e3a\u5927\u5199\u540e\u82f1\u6587\u4e3a\u5c0f\u5199） \u5c0f\u9a7c\u5cf0：\u4f5c\u4e3a\u53d8\u91cf\u547d\u540d
\n\u65b9\u6cd51：
\nstr8="user_controller"
\na=str8.title()
\nb=a.split("_")
\nprint("".join(b))<\/p>\n

\u65b9\u6cd52：
\n# a=str8.split("_")
\n# b=""
\n# print(a)
\n# for i in \u00a0a:
\n# \u00a0 \u00a0 b=b+str(i).capitalize()
\n# print(b) #UserController
\n\u56db\u3001\u5217\u8868
\n\u5b57\u7b26\u7c7b\u578b：list
\n\u7b26\u53f7：\u3010\u3011
\n\u5b9a\u4e49：\u5217\u8868\u597d\u4f3c\u4e00\u7ec4\u6709\u5e8f\u5b58\u50a8\u7684\u6570\u636e，\u4e5f\u662fpython\u5e38\u89c1\u7684\u5e8f\u5217\u503c，\u5e8f\u5217\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u5206\u914d\u4e00\u4e2a\u7d22\u5f15，
\n\u5b9a\u4e49\u5217\u8868\u7684\u65b9\u6cd5：
\n\u65b9\u6cd5\u4e00：\u901a\u8fc7list\u5b9a\u4e49
\n\u6848\u4f8b：
\na="a1234"
\nprint(type(a)) #<class 'str'>
\ns=list(a)
\nprint(s) #['a', '1', '2', '3', '4']
\nprint(type(s)) #<class 'list'><\/p>\n

\u65b9\u6cd5\u4e8c：\u901a\u8fc7\u3010\u3011\u5b9a\u4e49
\n\u6848\u4f8b：
\nlist1=[1,2,3,4,5]
\nprint(type(list1))
\n1\u3001\u5e38\u7528\u7684\u51fd\u6570
\n（1）\u6dfb\u52a0\u51fd\u6570 ，\u901a\u8fc7\u7d22\u5f15\u5207\u7247
\n\u6848\u4f8b：
\nlist1=[1,2,3,4,5]
\nlist1[2]="a" \u00a0#\u63d2\u5165\u6570\u636e，\u5c06\u539f\u6765\u6570\u636e\u8986\u76d6
\nprint(list1)
\n（2）addend\u6dfb\u52a0（\u9ed8\u8ba4\u6dfb\u52a0\u5728\u672b\u5c3e）
\n\u6848\u4f8b：
\nlist1=[1,2,3,4,5]
\nlist1.append("s") #[1, 2, 3, 4, 5, 's']
\nprint(list1)
\n（3）insert \u63d2\u5165（\u6839\u636e\u7d22\u5f15\u63d2\u5165\u5185\u5bb9，\u539f\u6765\u7684\u6570\u636e\u5411\u540e\u79fb\u52a8\u4e00\u4f4d）
\nlist1=[1,2,3,4,5]
\nlist1.insert(2,"a")
\nprint(list1)
\n（4）extend \u51fd\u6570：\u94fe\u63a5\u4e24\u4e2a\u5217\u8868
\nlist1=[1,2,3,4,5]
\nlist2=[6,7,8,9]
\nlist1.extend(list2)
\nprint(list1)#[1, 2, 3, 4, 5, 6, 7, 8, 9]
\n（5）romove \u5220\u9664\u51fd\u6570（\u6839\u636e\u5143\u7d20\u5220\u9664）
\n\u6848\u4f8b：
\nlist1=[1,2,3,4,5]
\nlist1.remove(1)
\nprint(list1) #[2, 3, 4, 5]
\n\u6848\u4f8b2：
\nlist1=[1,2,3,4,5,1,1]
\nlist1.remove(1)
\nprint(list1) #[2, 3, 4, 5, 1, 1]\u00a0
\n\u591a\u4e2a\u5143\u7d20\u65f6\u53ea\u5220\u9664\u524d\u4e00\u4e2a
\n（6）del\u6839\u636e\u7d22\u5f15\u5220\u9664\u00a0
\n\u6848\u4f8b：
\nlist1=[1,2,3,4,5,1,1]
\ndel list1[2]
\nprint(list1)
\n（7）pop\u5220\u9664 （\u9ed8\u8ba4\u5220\u9664\u540e\u4e00\u4f4d）
\n\u6848\u4f8b：
\nlist1=[1,2,3,4,5,1,1]
\nlist1.pop() \u00a0#\u9ed8\u8ba4\u5220\u9664\u6700\u540e\u4e00\u4f4d
\nprint(list1) #[1, 2, 3, 4, 5, 1]
\n（8）index \u6839\u636e\u5185\u5bb9\u67e5\u770b\u7d22\u5f15\u4f4d
\n\u6848\u4f8b：
\nlist1=[1,2,3,4,5,1,1]
\nprint(list1.index(5))
\n（9）sort \u6392\u5e8f， \u5347\u5e8f
\n\u6848\u4f8b：
\nlist1=[1,2,3,4,5,1,1]
\nlist1.sort()
\nprint(list1) #[1, 1, 1, 2, 3, 4, 5]
\n（10）sorted \u51fd\u6570 \u00a0：
\n\u5347\u5e8f\u3001\u964d\u5e8f
\n\u6848\u4f8b：
\nlist1=[1,2,3,4,5,1,1]
\nprint(sorted(list1,reverse=True)) \u964d\u5e8f
\nprint(sorted(list1,reverse= False)) \u5347\u5e8f
\n（11）reverse \u00a0\u51fd\u6570：\u53cd\u8f6c
\n\u6848\u4f8b：
\nlist1=[1,2,3,4,5,1,1]
\nlist1.reverse()
\nprint(list1) #[1, 1, 5, 4, 3, 2, 1]
\n\u4e94\u3001\u5143\u7ec4
\n\u5b9a\u4e49：\u5143\u7956\u662fpython\u4e2d\u7684\u4e00\u79cd\u6570\u636e\u7ed3\u6784，\u5143\u7ec4\u7531\u4e0d\u540c\u7684\u5143\u7d20\u7ec4\u6210，
\n\u6bcf\u4e2a\u5143\u7d20\u53ef\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e；\u5982\u5b57\u7b26\u4e32，\u6570\u503c\u7b49\u3002
\n\u5143\u7956\u662f\u201c\u5199\u4fdd\u62a4\u201d，\u5143\u7956\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53，\u521b\u5efa\u540e\u4e0d\u80fd\u505a\u4efb\u4f55\u4fee\u6539\u64cd\u4f5c\u3002
\n\u7b26\u53f7：（）
\n\u5b57\u7b26\u7c7b\u578b：tuple
\n\u521b\u5efa\u5143\u7ec4：
\n\u6848\u4f8b
\nt=(1,2,3)
\nprint(type(t)) #<class 'tuple'>
\n\u6ce8\u610f\u70b9：\u5f53\u4e00\u4e2a\u5143\u7d20\u7684\u65f6\u5019，\u8981\u52a0\u4e00\u4e2a，\u53f7
\n\u5143\u7ec4\u8fd0\u7528：
\n（t=(1,2,3,4,2)
\nprint(type(t)) #<class 'tuple'>
\n（1）print(t.index(3)) #2 \u00a0\u6839\u636e\u5185\u5bb9\u67e5\u770b\u7d22\u5f15\u4f4d
\n（2）print(t.count(2)) #2 \u00a0\u7edf\u8ba1\u5143\u7d20\u51fa\u73b0\u7684\u6b21\u6570
\n（3）\u5143\u7ec4\u8981\u4fee\u6539，\u5148\u901a\u8fc7list\u5c06\u5143\u7ec4\u6539\u6210\u5217\u8868\u4fee\u6539，\u5728\u901a\u8fc7tuple\u5c06\u5217\u8868\u8f6c\u6362\u5143\u7ec4
\n\u6848\u4f8b：
\nt=(1,2,3,4,2)
\nprint(type(t))
\ns=list(t) \u00a0#\u901a\u8fc7list\u5c06\u5143\u7ec4\u8f6c\u6362\u6210\u5217\u8868
\nprint(type(s))
\ns.append("w") #\u5229\u7528\u5217\u8868\u7684\u51fd\u6570\u4fee\u6539\u5185\u5bb9
\nprint(s)
\nc=tuple(s) #\u8fc7tuple \u5c06\u5217\u8868\u8f6c\u6362\u6210\u5143\u7ec4
\nprint(type(c))
\nprint(c)
\n4\u3001\u5143\u7ec4\u548c\u5217\u8868\u7684\u533a\u522b
\n\u76f8\u540c\u70b9： \u6709\u5e8f\u3001\u90fd\u652f\u6301\u5207\u7247
\n\u4e0d\u540c\u70b9：
\n（1）\u5217\u8868\u7684\u5b57\u7b26\u7c7b\u578b：lsit，\u5143\u7ec4\u7684\u5b57\u7b26\u7c7b\u578b\u662f：tuple
\n（2）\u5217\u8868\u662f\u53ef\u53d8\u5bf9\u8c61，\u5143\u7ec4\u662f\u4e0d\u53ef\u53d8\u5bf9\u8c61
\n（3）\u5217\u8868\u7684\u7b26\u53f7\u3010\u3011，\u5143\u7ec4\u7528\u7684（）
\n\u00a0（4）\u5143\u5217\u76f8\u5bf9\u5217\u8868\u6bd4\u8f83\u5b89\u5168<\/p>\n

\n\u516d\u3001\u5b57\u5178
\n(1)\u5b57\u5178\u7684\u5b57\u7b26\u7c7b\u578b:dict
\n(2)\u7b26\u53f7：{}
\n（3）\u5b58\u50a8\u65b9\u5f0f：\u952e\u503c\u5bf9
\n（4）\u5b57\u5178\u7684\u952e\u552f\u4e00，\u503c\u662f\u53d8\u5316\u7684
\n（5）\u521b\u5efa\u5b57\u5178：
\n\u65b9\u6cd5\u4e00：{} \u5b9a\u4e49\u5b57\u5178
\n\u6848\u4f8b：
\nd={"name":"zs","age":18}
\nprint(type(d))#<class 'dict'><\/p>\n

\u65b9\u6cd5：dict\u8f6c\u6362
\n\u6848\u4f8b：
\nli=[("a",1),("b",2)]
\nprint(type(li)) #<class 'list'>
\nd=dict(li)
\nprint(type(d)) #<class 'dict'>
\nprint(d) #{'a': 1, 'b': 2}
\n（6）\u5b57\u5178\u7684\u51fd\u6570
\n1\u3001\u6dfb\u52a0\u952e\u503c\u5bf9
\nd={"name":"zs","age":18}
\nd["h"]=3
\nprint(d) #{'name': 'zs', 'age': 18, 'h': 3}
\n2\u3001\u53d6\u51fa\u6240\u6709\u7684\u952e：
\nd={"name":"zs","age":18}
\nprint(d.keys()) #dict_keys(['name', 'age'])
\n3\u3001\u53d6\u51fa\u6240\u6709\u503c
\nd={"name":"zs","age":18}
\nprint(d.values()) #dict_values(['zs', 18])
\n4\u3001\u6839\u636e\u952e\u53d6\u51fa\u503c
\nd={"name":"zs","age":18}
\nprint(d["name"])
\n5\u3001\u6dfb\u52a0\u9ed8\u8ba4\u503c（\u4f18\u5148\u7ea7\u5c0f\u4e8e\u8868\u683c\u4e2d\u7684\u5143\u7d20）
\n\u6848\u4f8b1：
\nd={"name":"zs","age":18}
\nd.setdefault("c","1")
\nprint(d)
\n\u6848\u4f8b2：
\nd={"name":"zs","age":18}
\nd.setdefault("age","1")
\nprint(d) #{'name': 'zs', 'age': 18}
\n\u6848\u4f8b3：\u6dfb\u52a0\u5185\u5bb9\u7684\u4f18\u5148\u7ea7： \u00a0 \u76f4\u63a5\u6dfb\u52a0> \u672c\u8eab\u5143\u7d20>\u9ed8\u8ba4\u6dfb\u52a0\u5143\u7d20
\nd={"name":"zs","age":18}
\nd["age"]= "10"
\nprint(d)
\n6\u3001\u5220\u9664\u5b57\u5178\u6307\u5b9a\u952e
\n\u6848\u4f8b：
\nd={"name":"zs","age":18}
\ndel \u00a0d["name"]
\nprint(d)
\n7\u3001clear\u6e05\u9664\u4e00\u4e2a\u5b57\u5178
\n\u6848\u4f8b：
\nd={"name":"zs","age":18}
\nd.clear()
\nprint(d) #{}
\n8\u3001pop \u5220\u9664\u5b57\u5178
\n\u6848\u4f8b1：\u5220\u9664\u6307\u5b9a\u7684\u5185\u5bb9
\nd={"name":"zs","age":18}
\nd.pop("name")
\nprint(d) #{'age': 18}
\n9\u3001get\u6839\u636e\u952e\u83b7\u53d6\u503c
\n\u6848\u4f8b
\nd={"name":"zs","age":18}
\nprint(d.get("name")) #zs
\n10\u3001popitem \u9ed8\u8ba4\u5220\u9664\u4e00\u7ec4\u952e\u503c
\nd={"name":"zs","age":18}
\nprint(d.popitem()) #('age', 18)\u00a0
\n11\u3001update\u4e24\u4e2a\u5b57\u5178\u5408\u5e76
\n\u6848\u4f8b：
\nd={"name":"zs","age":18}
\nd1={"fs":"88","cj":20}
\nd.update(d1)
\nprint(d) #{'name': 'zs', 'age': 18, 'fs': '88', 'cj': 20}
\n12\u3001copy \u590d\u5236\u5b57\u5178
\n\u6848\u4f8b：
\nd={"name":"zs","age":18}
\ns=d.copy()
\nprint(d) #{'name': 'zs', 'age': 18}
\nprint(s) #{'name': 'zs', 'age': 18}
\n13\u3001for\u5faa\u73af \u904d\u5386\u5b57\u5178
\n\u6848\u4f8b1：\u904d\u5386\u952e\u548c\u503c
\nd={"name":"zs","age":18}
\nfor i \u00a0in d:
\n\u00a0 \u00a0 print(i,d[i])
\n\u6848\u4f8b2：\u904d\u5386\u6240\u6709\u952e
\nd={"name":"zs","age":18}
\nfor i \u00a0in d:
\n\u00a0 \u00a0 print(i)
\n14\u3001\u4f7f\u7528items \u904d\u5386\u952e\u548c\u7ec4
\n\u6848\u4f8b
\nd={"name":"zs","age":18}
\nfor k，v \u00a0in d.items():
\n\u00a0 \u00a0 print(k,v)
\n15\u3001formkeys\u5feb\u901f\u751f\u6210\u5b57\u5178
\n\u6848\u4f8b：
\nprint({}.fromkeys(["name","age"])) #{'name': None, 'age': None}
\nprint({}.fromkeys(["name","age"],"1")) #{'name': '1', 'age': '1'}
\n16\u3001update \u5408\u5e76\u5b57\u5178
\n# d1 = {"name": "zs", "age": 18}
\n# d2={"a":1,"b":2,"c":3,"d":4}
\n# d1.update(d2)
\n# print(d1) #{'name': 'zs', 'age': 18, 'a': 1, 'b': 2, 'c': 3, 'd': 4}
\n# print(d2) #{'a': 1, 'b': 2, 'c': 3, 'd': 4}<\/p>\n

\u4e03\u3001\u96c6\u5408
\n\u6700\u4e3b\u8981\u4f5c\u7528：\u53bb\u91cd
\n\u96c6\u5408：\u65e0\u5e8f<\/p>\n

（1）\u53ef\u53d8\u96c6\u5408 ：set
\n\u5b57\u7b26\u7c7b\u578b：<class 'set'>
\n1\u3001\u96c6\u5408\u53bb\u91cd
\n\u6848\u4f8b：list1=[1,2,3,4,5,1,1]
\ns=set(list1)
\nprint(type(s)) #<class 'set'>
\nprint(s) #{1, 2, 3, 4, 5}
\n2\u3001copy\u590d\u5236\u96c6\u5408
\nlist1=[1,2,3,4,5,1,1]
\ns=set(list1)
\nc=s.copy()
\nprint(c)
\nprint(s)
\n3\u3001clear \u6e05\u9664\u96c6\u5408
\nlist1=[1,2,3,4,5,1,1]
\ns=set(list1)
\nprint(s.clear()) #None
\n4\u3001pop\u5220\u9664
\nlist1=[1,2,3,4,5,1,1]
\ns=set(list1)
\ns.pop()
\nprint(s)
\n5\u3001add \u6dfb\u52a0\u5143\u7d20
\nlist1=[1,2,3,4,5,1,1]
\ns=set(list1)
\ns.add(9)
\nprint(s)
\n6\u3001remove \u5220\u9664\u96c6\u5408\u7684\u5185\u5bb9
\n\u6848\u4f8b
\nlist1=[1,2,3,4,5,1,1]
\ns=set(list1)
\ns.remove(3)
\nprint(s)
\n7\u3001update \u5c06\u4e24\u4e2a\u96c6\u5408\u5408\u5e76\u6210\u4e00\u4e2a\u96c6\u5408
\nlist1=[1,2,3,4,5,1,1]
\nlist2=[6,6,7787]
\ns=set(list1)
\nm=set(list2)
\ns.update(m)
\nprint(s)
\n（2）\u4e0d\u53ef\u53d8\u96c6\u5408：frozenset
\n1\u3001\u53ea\u6709\u4e00\u4e2a\u4ececopy\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528：
\n\u6848\u4f8b
\nlist1=[1,2,3,4,5,1,1]
\ns=frozenset(list1)
\nc=s.copy()
\nprint(c)<\/p>\n

\u4ee5\u4e0a\u90fd\u5b57\u7b26\u7c7b\u578b：
\nint（\u6570\u503c）\u3001str（\u5b57\u7b26）\u3001list（\u5217\u8868）\u3001tuple（\u5143\u7ec4）\u3001dict（\u5b57\u5178）\u3001set（\u96c6\u5408） \u3001frozenset（\u4e0d\u53ef\u53d8\u96c6\u5408）
\n\u6574\u7406\u4e0b\u6bcf\u4e2a\u5b57\u7b26\u7c7b\u578b\u7684\u5185\u5bb9<\/p>\n

\u9762\u8bd5\u9898:
\n1.python\u7684\u5b57\u7b26\u7c7b\u578b\u6709\u54ea\u4e9b？<\/p>\n

2\u3001\u5217\u8868\u548c\u5143\u7ec4\u7684\u533a\u522b？<\/p>\n

3\u3001\u5b57\u7b26\u3001\u5217\u8868\u3001\u5143\u7ec4\u3001\u5b57\u5178\u3001\u96c6\u5408\u7684\u4e86\u89e3？<\/p>\n

\n\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

python\u4e2d\u7684\u5b57\u7b26\u7c7b
\n\u4e00\u3001\u7d22\u5f15
\n\u4f7f\u7528\u7d22\u5f15\u6765\u8bbf\u95ee\u5e8f\u5217\u4e2d\u7684\u5143\u7d20
\n\u6b63\u5411\u7d22\u5f15：0123456
\n\u8d1f\u5411\u7d22\u5f15： \u00a0-3 -2-1\u4e8c\u3001\u6839\u636e\u7d22\u5f15\u5207\u7247
\n\u516c\u5f0f：\u5f00\u59cb\u503c，\u7ed3\u675f\u503c，\u6b65\u957f
\n\u5305\u542b\u5f00\u59cb\u503c，\u4e0d\u5305\u542b\u7ed3\u675f\u503c，
\n\u7d22\u5f15\u4ece0\u5f00\u59cb
\n\u6848\u4f8b：
\nstr1\\”abcdefghijk\\”
\n#\u6b63\u5411\u7d22\u5f15：01234567
\nprint(str1[0:1]) #0\u7d22\u5f15，\u5305\u542b\u5f00\u59cb\u503c&#xf<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[81,305],"topic":[],"class_list":["post-109220","post","type-post","status-publish","format-standard","hentry","category-server","tag-python","tag-305"],"yoast_head":"\npython\u5b57\u7b26\u7c7b\u578b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/109220.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"python\u5b57\u7b26\u7c7b\u578b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"python\u4e2d\u7684\u5b57\u7b26\u7c7b \u4e00\u3001\u7d22\u5f15 \u4f7f\u7528\u7d22\u5f15\u6765\u8bbf\u95ee\u5e8f\u5217\u4e2d\u7684\u5143\u7d20 \u6b63\u5411\u7d22\u5f15：0123456 \u8d1f\u5411\u7d22\u5f15： \u00a0-3 -2-1\u4e8c\u3001\u6839\u636e\u7d22\u5f15\u5207\u7247 \u516c\u5f0f：\u5f00\u59cb\u503c，\u7ed3\u675f\u503c，\u6b65\u957f \u5305\u542b\u5f00\u59cb\u503c，\u4e0d\u5305\u542b\u7ed3\u675f\u503c， \u7d22\u5f15\u4ece0\u5f00\u59cb \u6848\u4f8b： str1"abcdefghijk" #\u6b63\u5411\u7d22\u5f15：01234567 print(str1[0:1]) #0\u7d22\u5f15，\u5305\u542b\u5f00\u59cb\u503c&#xf\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/109220.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-23T09:48:56+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/109220.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/109220.html\",\"name\":\"python\u5b57\u7b26\u7c7b\u578b - 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\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/109220.html","og_locale":"zh_CN","og_type":"article","og_title":"python\u5b57\u7b26\u7c7b\u578b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"python\u4e2d\u7684\u5b57\u7b26\u7c7b \u4e00\u3001\u7d22\u5f15 \u4f7f\u7528\u7d22\u5f15\u6765\u8bbf\u95ee\u5e8f\u5217\u4e2d\u7684\u5143\u7d20 \u6b63\u5411\u7d22\u5f15：0123456 \u8d1f\u5411\u7d22\u5f15： \u00a0-3 -2-1\u4e8c\u3001\u6839\u636e\u7d22\u5f15\u5207\u7247 \u516c\u5f0f：\u5f00\u59cb\u503c，\u7ed3\u675f\u503c，\u6b65\u957f \u5305\u542b\u5f00\u59cb\u503c，\u4e0d\u5305\u542b\u7ed3\u675f\u503c， \u7d22\u5f15\u4ece0\u5f00\u59cb \u6848\u4f8b： str1\"abcdefghijk\" #\u6b63\u5411\u7d22\u5f15：01234567 print(str1[0:1]) #0\u7d22\u5f15，\u5305\u542b\u5f00\u59cb\u503c&#xf","og_url":"https:\/\/www.wsisp.com\/helps\/109220.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-09-23T09:48:56+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"5 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/109220.html","url":"https:\/\/www.wsisp.com\/helps\/109220.html","name":"python\u5b57\u7b26\u7c7b\u578b - 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