{"id":1177879,"date":"2025-01-15T18:03:29","date_gmt":"2025-01-15T10:03:29","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1177879.html"},"modified":"2025-01-15T18:03:32","modified_gmt":"2025-01-15T10:03:32","slug":"python%e6%93%8d%e4%bd%9c%e7%ac%a6%e5%a6%82%e4%bd%95%e6%8f%92%e5%85%a5","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1177879.html","title":{"rendered":"python\u64cd\u4f5c\u7b26\u5982\u4f55\u63d2\u5165"},"content":{"rendered":"

\"python\u64cd\u4f5c\u7b26\u5982\u4f55\u63d2\u5165\"<\/p>\n

Python\u64cd\u4f5c\u7b26\u7684\u63d2\u5165\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u52a0\u53f7\u64cd\u4f5c\u7b26\u63d2\u5165\u3001\u4f7f\u7528\u4e58\u6cd5\u64cd\u4f5c\u7b26\u8fdb\u884c\u91cd\u590d\u63d2\u5165\u3001\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u7b26\u63d2\u5165\u3001\u4f7f\u7528list\u65b9\u6cd5\u63d2\u5165\u3001\u4f7f\u7528\u63d2\u5165\u51fd\u6570\u63d2\u5165\u3001\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u63d2\u5165\u3001\u4f7f\u7528.join()\u65b9\u6cd5\u63d2\u5165\u3001\u4f7f\u7528\u5b57\u5178\u7684update\u65b9\u6cd5\u63d2\u5165\u7b49\u3002<\/strong> \u5176\u4e2d\uff0c\u4f7f\u7528\u52a0\u53f7\u64cd\u4f5c\u7b26\u63d2\u5165\u662f\u6700\u5e38\u89c1\u548c\u76f4\u63a5\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4f8b\u5982\uff0c\u4f7f\u7528\u52a0\u53f7\u64cd\u4f5c\u7b26\u63d2\u5165\u662f\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<\/p>\n

# \u4f7f\u7528\u52a0\u53f7\u64cd\u4f5c\u7b26\u63d2\u5165<\/p>\n
a = "Hello"<\/p>\n
b = "World"<\/p>\n
result = a + " " + b<\/p>\n
print(result)  # \u8f93\u51fa: Hello World<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u52a0\u53f7\u64cd\u4f5c\u7b26\u5c06\u4e24\u4e2a\u5b57\u7b26\u4e32\u53d8\u91cfa<\/code>\u548cb<\/code>\u8fdb\u884c\u8fde\u63a5\uff0c\u4e2d\u95f4\u901a\u8fc7\u52a0\u53f7\u64cd\u4f5c\u7b26\u63d2\u5165\u4e86\u4e00\u4e2a\u7a7a\u683c\uff0c\u4ece\u800c\u7ec4\u6210\u4e86\u65b0\u7684\u5b57\u7b26\u4e32Hello World<\/code>\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u4f7f\u7528\u52a0\u53f7\u64cd\u4f5c\u7b26\u63d2\u5165<\/h3>\n<\/p>\n
\u52a0\u53f7\u64cd\u4f5c\u7b26\u662f\u6700\u7b80\u5355\u76f4\u63a5\u7684\u63d2\u5165\u65b9\u6cd5\u4e4b\u4e00\u3002\u5b83\u53ef\u4ee5\u7528\u6765\u8fde\u63a5\u5b57\u7b26\u4e32\u3001\u5217\u8868\u4ee5\u53ca\u5176\u4ed6\u53ef\u8fde\u63a5\u7684\u5e8f\u5217\u7c7b\u578b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u4f53\u7684\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n
1.1\u3001\u5b57\u7b26\u4e32\u8fde\u63a5<\/h4>\n<\/p>\n
\u5728\u5b57\u7b26\u4e32\u5904\u7406\u4e2d\uff0c\u52a0\u53f7\u64cd\u4f5c\u7b26\u53ef\u4ee5\u7528\u6765\u5c06\u4e24\u4e2a\u6216\u591a\u4e2a\u5b57\u7b26\u4e32\u8fde\u63a5\u5728\u4e00\u8d77\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
str1 = "Python"<\/p>\n
str2 = "is"<\/p>\n
str3 = "awesome"<\/p>\n
result = str1 + " " + str2 + " " + str3<\/p>\n
print(result)  # \u8f93\u51fa: Python is awesome<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u52a0\u53f7\u64cd\u4f5c\u7b26\u5c06\u4e09\u4e2a\u5b57\u7b26\u4e32\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u5e76\u5728\u5b83\u4eec\u4e4b\u95f4\u63d2\u5165\u4e86\u7a7a\u683c\u3002<\/p>\n<\/p>\n
1.2\u3001\u5217\u8868\u8fde\u63a5<\/h4>\n<\/p>\n
\u52a0\u53f7\u64cd\u4f5c\u7b26\u4e5f\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u5217\u8868\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
list1 = [1, 2, 3]<\/p>\n
list2 = [4, 5, 6]<\/p>\n
result = list1 + list2<\/p>\n
print(result)  # \u8f93\u51fa: [1, 2, 3, 4, 5, 6]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u52a0\u53f7\u64cd\u4f5c\u7b26\u5c06\u4e24\u4e2a\u5217\u8868\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u5f97\u5230\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u4e58\u6cd5\u64cd\u4f5c\u7b26\u8fdb\u884c\u91cd\u590d\u63d2\u5165<\/h3>\n<\/p>\n
\u4e58\u6cd5\u64cd\u4f5c\u7b26\u53ef\u4ee5\u7528\u6765\u91cd\u590d\u63d2\u5165\u5e8f\u5217\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
2.1\u3001\u5b57\u7b26\u4e32\u91cd\u590d\u63d2\u5165<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e58\u6cd5\u64cd\u4f5c\u7b26\u5c06\u5b57\u7b26\u4e32\u91cd\u590d\u63d2\u5165\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
str1 = "Hello"<\/p>\n
result = str1 * 3<\/p>\n
print(result)  # \u8f93\u51fa: HelloHelloHello<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e58\u6cd5\u64cd\u4f5c\u7b26\u5c06\u5b57\u7b26\u4e32Hello<\/code>\u91cd\u590d\u4e86\u4e09\u6b21\u3002<\/p>\n<\/p>\n
2.2\u3001\u5217\u8868\u91cd\u590d\u63d2\u5165<\/h4>\n<\/p>\n
\u540c\u6837\u5730\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e58\u6cd5\u64cd\u4f5c\u7b26\u5c06\u5217\u8868\u91cd\u590d\u63d2\u5165\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
list1 = [1, 2, 3]<\/p>\n
result = list1 * 3<\/p>\n
print(result)  # \u8f93\u51fa: [1, 2, 3, 1, 2, 3, 1, 2, 3]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e58\u6cd5\u64cd\u4f5c\u7b26\u5c06\u5217\u8868[1, 2, 3]<\/code>\u91cd\u590d\u4e86\u4e09\u6b21\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u7b26\u63d2\u5165<\/h3>\n<\/p>\n
\u5207\u7247\u64cd\u4f5c\u7b26\u53ef\u4ee5\u7528\u6765\u5728\u5e8f\u5217\u7684\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
3.1\u3001\u5b57\u7b26\u4e32\u5207\u7247\u63d2\u5165<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u7b26\u5728\u5b57\u7b26\u4e32\u7684\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u53e6\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
str1 = "HelloWorld"<\/p>\n
str2 = " "<\/p>\n
result = str1[:5] + str2 + str1[5:]<\/p>\n
print(result)  # \u8f93\u51fa: Hello World<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u7b26\u5c06\u7a7a\u683c\u63d2\u5165\u5230\u5b57\u7b26\u4e32HelloWorld<\/code>\u7684\u4e2d\u95f4\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n
3.2\u3001\u5217\u8868\u5207\u7247\u63d2\u5165<\/h4>\n<\/p>\n
\u540c\u6837\u5730\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u7b26\u5728\u5217\u8868\u7684\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
list1 = [1, 2, 3, 5, 6]<\/p>\n
list2 = [4]<\/p>\n
result = list1[:3] + list2 + list1[3:]<\/p>\n
print(result)  # \u8f93\u51fa: [1, 2, 3, 4, 5, 6]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u7b26\u5c06\u5143\u7d204<\/code>\u63d2\u5165\u5230\u5217\u8868[1, 2, 3, 5, 6]<\/code>\u7684\u4e2d\u95f4\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528list\u65b9\u6cd5\u63d2\u5165<\/h3>\n<\/p>\n
\u5217\u8868\u7684insert()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u7528\u6765\u5728\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
4.1\u3001\u5217\u8868\u7684insert\u65b9\u6cd5<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528insert()<\/code>\u65b9\u6cd5\u5728\u5217\u8868\u7684\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
list1 = [1, 2, 4, 5]<\/p>\n
list1.insert(2, 3)<\/p>\n
print(list1)  # \u8f93\u51fa: [1, 2, 3, 4, 5]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528insert()<\/code>\u65b9\u6cd5\u5c06\u5143\u7d203<\/code>\u63d2\u5165\u5230\u5217\u8868[1, 2, 4, 5]<\/code>\u7684\u6307\u5b9a\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u63d2\u5165<\/h3>\n<\/p>\n
\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\u53ef\u4ee5\u7528\u6765\u5728\u5b57\u7b26\u4e32\u4e2d\u63d2\u5165\u53d8\u91cf\u6216\u5176\u4ed6\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
5.1\u3001\u4f7f\u7528format\u65b9\u6cd5<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528format()<\/code>\u65b9\u6cd5\u5728\u5b57\u7b26\u4e32\u4e2d\u63d2\u5165\u53d8\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
name = "John"<\/p>\n
age = 30<\/p>\n
result = "My name is {} and I am {} years old.".format(name, age)<\/p>\n
print(result)  # \u8f93\u51fa: My name is John and I am 30 years old.<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528format()<\/code>\u65b9\u6cd5\u5c06\u53d8\u91cfname<\/code>\u548cage<\/code>\u63d2\u5165\u5230\u5b57\u7b26\u4e32\u4e2d\u3002<\/p>\n<\/p>\n
5.2\u3001\u4f7f\u7528f-string\u65b9\u6cd5<\/h4>\n<\/p>\n
\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528f-string\u65b9\u6cd5\u5728\u5b57\u7b26\u4e32\u4e2d\u63d2\u5165\u53d8\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
name = "John"<\/p>\n
age = 30<\/p>\n
result = f"My name is {name} and I am {age} years old."<\/p>\n
print(result)  # \u8f93\u51fa: My name is John and I am 30 years old.<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528f-string\u65b9\u6cd5\u5c06\u53d8\u91cfname<\/code>\u548cage<\/code>\u63d2\u5165\u5230\u5b57\u7b26\u4e32\u4e2d\u3002<\/p>\n<\/p>\n
\u516d\u3001\u4f7f\u7528.join()\u65b9\u6cd5\u63d2\u5165<\/h3>\n<\/p>\n
join()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u7528\u6765\u5c06\u5e8f\u5217\u4e2d\u7684\u5143\u7d20\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u4e2d\u95f4\u7528\u6307\u5b9a\u7684\u5206\u9694\u7b26\u63d2\u5165\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
6.1\u3001\u5b57\u7b26\u4e32\u8fde\u63a5<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528join()<\/code>\u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u5217\u8868\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
list1 = ["Hello", "World", "Python"]<\/p>\n
result = " ".join(list1)<\/p>\n
print(result)  # \u8f93\u51fa: Hello World Python<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528join()<\/code>\u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u5217\u8868["Hello", "World", "Python"]<\/code>\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5143\u7d20\u4e4b\u95f4\u7528\u7a7a\u683c\u5206\u9694\u3002<\/p>\n<\/p>\n
6.2\u3001\u5217\u8868\u8fde\u63a5<\/h4>\n<\/p>\n
\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528join()<\/code>\u65b9\u6cd5\u5c06\u5217\u8868\u4e2d\u7684\u5b57\u7b26\u4e32\u5143\u7d20\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
list1 = ['a', 'b', 'c']<\/p>\n
result = '-'.join(list1)<\/p>\n
print(result)  # \u8f93\u51fa: a-b-c<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528join()<\/code>\u65b9\u6cd5\u5c06\u5217\u8868['a', 'b', 'c']<\/code>\u4e2d\u7684\u5143\u7d20\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5143\u7d20\u4e4b\u95f4\u7528-<\/code>\u5206\u9694\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528\u5b57\u5178\u7684update\u65b9\u6cd5\u63d2\u5165<\/h3>\n<\/p>\n
\u5b57\u5178\u7684update()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u7528\u6765\u5728\u5b57\u5178\u4e2d\u63d2\u5165\u65b0\u7684\u952e\u503c\u5bf9\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
7.1\u3001\u5b57\u5178\u7684update\u65b9\u6cd5<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528update()<\/code>\u65b9\u6cd5\u5728\u5b57\u5178\u4e2d\u63d2\u5165\u65b0\u7684\u952e\u503c\u5bf9\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
dict1 = {"name": "John", "age": 30}<\/p>\n
dict1.update({"city": "New York"})<\/p>\n
print(dict1)  # \u8f93\u51fa: {'name': 'John', 'age': 30, 'city': 'New York'}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528update()<\/code>\u65b9\u6cd5\u5728\u5b57\u5178{"name": "John", "age": 30}<\/code>\u4e2d\u63d2\u5165\u4e86\u65b0\u7684\u952e\u503c\u5bf9{"city": "New York"}<\/code>\u3002<\/p>\n<\/p>\n
\u516b\u3001\u4f7f\u7528set\u7684add\u65b9\u6cd5\u63d2\u5165<\/h3>\n<\/p>\n
\u96c6\u5408\u7684add()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u7528\u6765\u5728\u96c6\u5408\u4e2d\u63d2\u5165\u65b0\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
8.1\u3001\u96c6\u5408\u7684add\u65b9\u6cd5<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528add()<\/code>\u65b9\u6cd5\u5728\u96c6\u5408\u4e2d\u63d2\u5165\u65b0\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
set1 = {1, 2, 3}<\/p>\n
set1.add(4)<\/p>\n
print(set1)  # \u8f93\u51fa: {1, 2, 3, 4}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528add()<\/code>\u65b9\u6cd5\u5728\u96c6\u5408{1, 2, 3}<\/code>\u4e2d\u63d2\u5165\u4e86\u65b0\u7684\u5143\u7d204<\/code>\u3002<\/p>\n<\/p>\n
\u4e5d\u3001\u4f7f\u7528numpy\u6570\u7ec4\u7684\u63d2\u5165\u65b9\u6cd5<\/h3>\n<\/p>\n
\u5728\u6570\u636e\u79d1\u5b66\u548c\u673a\u5668\u5b66\u4e60<\/a>\u4e2d\uff0cnumpy\u6570\u7ec4\u7ecf\u5e38\u88ab\u4f7f\u7528\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528numpy\u7684insert()<\/code>\u65b9\u6cd5\u5728\u6570\u7ec4\u4e2d\u63d2\u5165\u65b0\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
9.1\u3001numpy\u6570\u7ec4\u7684\u63d2\u5165\u65b9\u6cd5<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528numpy\u7684insert()<\/code>\u65b9\u6cd5\u5728\u6570\u7ec4\u4e2d\u63d2\u5165\u65b0\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import numpy as np<\/p>\n
arr = np.array([1, 2, 3, 5, 6])<\/p>\n
new_arr = np.insert(arr, 3, 4)<\/p>\n
print(new_arr)  # \u8f93\u51fa: [1 2 3 4 5 6]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528numpy\u7684insert()<\/code>\u65b9\u6cd5\u5728\u6570\u7ec4[1, 2, 3, 5, 6]<\/code>\u7684\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u4e86\u65b0\u7684\u5143\u7d204<\/code>\u3002<\/p>\n<\/p>\n
\u5341\u3001\u4f7f\u7528pandas DataFrame\u7684\u63d2\u5165\u65b9\u6cd5<\/h3>\n<\/p>\n
\u5728\u6570\u636e\u5206\u6790\u4e2d\uff0cpandas\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u5de5\u5177\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528pandas\u7684insert()<\/code>\u65b9\u6cd5\u5728DataFrame\u4e2d\u63d2\u5165\u65b0\u7684\u5217\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
10.1\u3001pandas DataFrame\u7684\u63d2\u5165\u65b9\u6cd5<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528pandas\u7684insert()<\/code>\u65b9\u6cd5\u5728DataFrame\u4e2d\u63d2\u5165\u65b0\u7684\u5217\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import pandas as pd<\/p>\n
data = {'Name': ['John', 'Anna', 'Peter'],<\/p>\n
        'Age': [28, 24, 35]}<\/p>\n
df = pd.DataFrame(data)<\/p>\n
df.insert(1, 'City', ['New York', 'Paris', 'Berlin'])<\/p>\n
print(df)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528pandas\u7684insert()<\/code>\u65b9\u6cd5\u5728DataFrame\u4e2d\u63d2\u5165\u4e86\u65b0\u7684\u5217City<\/code>\uff0c\u5e76\u6307\u5b9a\u4e86\u6bcf\u4e00\u884c\u7684\u503c\u3002<\/p>\n<\/p>\n
\u5341\u4e00\u3001\u4f7f\u7528itertools\u7684\u94fe\u64cd\u4f5c\u63d2\u5165<\/h3>\n<\/p>\n
itertools<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u8bb8\u591a\u7528\u4e8e\u64cd\u4f5c\u8fed\u4ee3\u5668\u7684\u51fd\u6570\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528itertools.chAI<\/a>n()<\/code>\u65b9\u6cd5\u5c06\u591a\u4e2a\u8fed\u4ee3\u5668\u8fde\u63a5\u5728\u4e00\u8d77\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
11.1\u3001\u4f7f\u7528itertools.chain\u65b9\u6cd5<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528itertools.chain()<\/code>\u65b9\u6cd5\u5c06\u591a\u4e2a\u8fed\u4ee3\u5668\u8fde\u63a5\u5728\u4e00\u8d77\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import itertools<\/p>\n
list1 = [1, 2, 3]<\/p>\n
list2 = [4, 5, 6]<\/p>\n
result = list(itertools.chain(list1, list2))<\/p>\n
print(result)  # \u8f93\u51fa: [1, 2, 3, 4, 5, 6]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528itertools.chain()<\/code>\u65b9\u6cd5\u5c06\u4e24\u4e2a\u5217\u8868\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u5f97\u5230\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
\u5341\u4e8c\u3001\u4f7f\u7528collections.deque\u7684\u63d2\u5165\u65b9\u6cd5<\/h3>\n<\/p>\n
collections.deque<\/code>\u662f\u4e00\u4e2a\u53cc\u7aef\u961f\u5217\uff0c\u53ef\u4ee5\u5728\u4e24\u7aef\u5feb\u901f\u5730\u63d2\u5165\u548c\u5220\u9664\u5143\u7d20\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528append()<\/code>\u65b9\u6cd5\u548cappendleft()<\/code>\u65b9\u6cd5\u5728deque<\/code>\u4e2d\u63d2\u5165\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
12.1\u3001\u4f7f\u7528append\u65b9\u6cd5<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528append()<\/code>\u65b9\u6cd5\u5728deque<\/code>\u7684\u53f3\u7aef\u63d2\u5165\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
from collections import deque<\/p>\n
d = deque([1, 2, 3])<\/p>\n
d.append(4)<\/p>\n
print(d)  # \u8f93\u51fa: deque([1, 2, 3, 4])<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528append()<\/code>\u65b9\u6cd5\u5728deque<\/code>\u7684\u53f3\u7aef\u63d2\u5165\u4e86\u5143\u7d204<\/code>\u3002<\/p>\n<\/p>\n
12.2\u3001\u4f7f\u7528appendleft\u65b9\u6cd5<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528appendleft()<\/code>\u65b9\u6cd5\u5728deque<\/code>\u7684\u5de6\u7aef\u63d2\u5165\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
from collections import deque<\/p>\n
d = deque([1, 2, 3])<\/p>\n
d.appendleft(0)<\/p>\n
print(d)  # \u8f93\u51fa: deque([0, 1, 2, 3])<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528appendleft()<\/code>\u65b9\u6cd5\u5728deque<\/code>\u7684\u5de6\u7aef\u63d2\u5165\u4e86\u5143\u7d200<\/code>\u3002<\/p>\n<\/p>\n
\u5341\u4e09\u3001\u4f7f\u7528bisect\u6a21\u5757\u8fdb\u884c\u6709\u5e8f\u63d2\u5165<\/h3>\n<\/p>\n
bisect<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u4e00\u4e9b\u51fd\u6570\u7528\u4e8e\u5728\u6709\u5e8f\u5e8f\u5217\u4e2d\u63d2\u5165\u5143\u7d20\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528bisect.insort()<\/code>\u65b9\u6cd5\u5728\u6709\u5e8f\u5217\u8868\u4e2d\u63d2\u5165\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
13.1\u3001\u4f7f\u7528bisect.insort\u65b9\u6cd5<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528bisect.insort()<\/code>\u65b9\u6cd5\u5728\u6709\u5e8f\u5217\u8868\u4e2d\u63d2\u5165\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import bisect<\/p>\n
list1 = [1, 2, 4, 5]<\/p>\n
bisect.insort(list1, 3)<\/p>\n
print(list1)  # \u8f93\u51fa: [1, 2, 3, 4, 5]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528bisect.insort()<\/code>\u65b9\u6cd5\u5728\u6709\u5e8f\u5217\u8868[1, 2, 4, 5]<\/code>\u4e2d\u63d2\u5165\u4e86\u5143\u7d203<\/code>\u3002<\/p>\n<\/p>\n
\u5341\u56db\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u884c\u5b57\u7b26\u4e32\u63d2\u5165<\/h3>\n<\/p>\n
\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u5904\u7406\u5b57\u7b26\u4e32\u7684\u5f3a\u5927\u5de5\u5177\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528re.sub()<\/code>\u65b9\u6cd5\u5728\u5b57\u7b26\u4e32\u7684\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5b50\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
14.1\u3001\u4f7f\u7528re.sub\u65b9\u6cd5<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528re.sub()<\/code>\u65b9\u6cd5\u5728\u5b57\u7b26\u4e32\u7684\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5b50\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import re<\/p>\n
str1 = "HelloWorld"<\/p>\n
result = re.sub(r"(?<=Hello)", " ", str1)<\/p>\n
print(result)  # \u8f93\u51fa: Hello World<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528re.sub()<\/code>\u65b9\u6cd5\u5728\u5b57\u7b26\u4e32HelloWorld<\/code>\u7684\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u4e86\u7a7a\u683c\u3002<\/p>\n<\/p>\n
\u5341\u4e94\u3001\u4f7f\u7528\u81ea\u5b9a\u4e49\u51fd\u6570\u8fdb\u884c\u63d2\u5165<\/h3>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u81ea\u5b9a\u4e49\u51fd\u6570\u6765\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u63d2\u5165\u64cd\u4f5c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
15.1\u3001\u81ea\u5b9a\u4e49\u5b57\u7b26\u4e32\u63d2\u5165\u51fd\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u6765\u5728\u5b57\u7b26\u4e32\u7684\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5b50\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def insert_string(original, new, pos):<\/p>\n
    return original[:pos] + new + original[pos:]<\/p>\n
str1 = "HelloWorld"<\/p>\n
result = insert_string(str1, " ", 5)<\/p>\n
print(result)  # \u8f93\u51fa: Hello World<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3ainsert_string<\/code>\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u5728\u5b57\u7b26\u4e32HelloWorld<\/code>\u7684\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u7a7a\u683c\u3002<\/p>\n<\/p>\n
15.2\u3001\u81ea\u5b9a\u4e49\u5217\u8868\u63d2\u5165\u51fd\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u4e5f\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u6765\u5728\u5217\u8868\u7684\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def insert_list(original, new, pos):<\/p>\n
    return original[:pos] + [new] + original[pos:]<\/p>\n
list1 = [1, 2, 4, 5]<\/p>\n
result = insert_list(list1, 3, 2)<\/p>\n
print(result)  # \u8f93\u51fa: [1, 2, 3, 4, 5]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3ainsert_list<\/code>\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u5728\u5217\u8868[1, 2, 4, 5]<\/code>\u7684\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d203<\/code>\u3002<\/p>\n<\/p>\n
\u7ed3\u8bba<\/h3>\n<\/p>\n
\u7efc\u4e0a\u6240\u8ff0\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5728\u4e0d\u540c\u7684\u6570\u636e\u7ed3\u6784\u4e2d\u63d2\u5165\u5143\u7d20\uff0c\u5305\u62ec\u52a0\u53f7\u64cd\u4f5c\u7b26\u63d2\u5165\u3001\u4e58\u6cd5\u64cd\u4f5c\u7b26\u8fdb\u884c\u91cd\u590d\u63d2\u5165\u3001\u5207\u7247\u64cd\u4f5c\u7b26\u63d2\u5165\u3001list\u65b9\u6cd5\u63d2\u5165\u3001\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u63d2\u5165\u3001.join()\u65b9\u6cd5\u63d2\u5165\u3001\u5b57\u5178\u7684update\u65b9\u6cd5\u63d2\u5165\u3001set\u7684add\u65b9\u6cd5\u63d2\u5165\u3001numpy\u6570\u7ec4\u7684\u63d2\u5165\u65b9\u6cd5\u3001pandas DataFrame\u7684\u63d2\u5165\u65b9\u6cd5\u3001itertools\u7684\u94fe\u64cd\u4f5c\u63d2\u5165\u3001collections.deque\u7684\u63d2\u5165\u65b9\u6cd5\u3001bisect\u6a21\u5757\u8fdb\u884c\u6709\u5e8f\u63d2\u5165\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u884c\u5b57\u7b26\u4e32\u63d2\u5165\u3001\u81ea\u5b9a\u4e49\u51fd\u6570\u8fdb\u884c\u63d2\u5165<\/strong>\u7b49\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u7279\u5b9a\u7684\u5e94\u7528\u573a\u666f\u548c\u4f18\u70b9\uff0c\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u8fd0\u884c\u6548\u7387\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 Python\u4e2d\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9b\u64cd\u4f5c\u7b26\u8fdb\u884c\u63d2\u5165\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u63d2\u5165\u64cd\u4f5c\u901a\u5e38\u6d89\u53ca\u5230\u6570\u636e\u7ed3\u6784\uff0c\u6bd4\u5982\u5217\u8868\u3001\u96c6\u5408\u6216\u5b57\u5178\u3002\u5bf9\u4e8e\u5217\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528insert()<\/code>\u65b9\u6cd5\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\uff1b\u5bf9\u4e8e\u96c6\u5408\uff0c\u867d\u7136\u6ca1\u6709\u76f4\u63a5\u7684\u63d2\u5165\u65b9\u6cd5\uff0c\u4f46\u53ef\u4ee5\u4f7f\u7528add()<\/code>\u65b9\u6cd5\u6dfb\u52a0\u5143\u7d20\uff1b\u800c\u5b57\u5178\u5219\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u952e\u6765\u63d2\u5165\u6216\u66f4\u65b0\u503c\u3002\u719f\u6089\u8fd9\u4e9b\u64cd\u4f5c\u7b26\u80fd\u5e2e\u52a9\u60a8\u6709\u6548\u7ba1\u7406\u6570\u636e\u3002<\/p>\n
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