![\"python\u5982\u4f55\u5b9e\u73b0\u5b57\u7b26\u8fd0\u7b97\"](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25181216\/afcad9a5-73bf-4869-a9f4-d7a92fc35df9.webp\")
<\/p>\n<\/p>\n
Python\u5b9e\u73b0\u5b57\u7b26\u8fd0\u7b97\u7684\u65b9\u6cd5\u6709\uff1a\u5b57\u7b26\u4e32\u8fde\u63a5\u3001\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3001\u5b57\u7b26\u4e32\u67e5\u627e\u4e0e\u66ff\u6362\u3001\u5b57\u7b26\u4e32\u5206\u5272\u3001\u5b57\u7b26\u4e32\u62fc\u63a5\u3001\u5b57\u7b26\u4e32\u6bd4\u8f83\u3002<\/strong>\u5176\u4e2d\uff0c\u5b57\u7b26\u4e32\u8fde\u63a5<\/strong>\u662f\u6700\u57fa\u7840\u7684\u5b57\u7b26\u8fd0\u7b97\u4e4b\u4e00\uff0c\u901a\u5e38\u4f7f\u7528\u52a0\u53f7\uff08+\uff09\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff0c\u5b57\u7b26\u4e32 "Hello" \u548c "World" \u53ef\u4ee5\u901a\u8fc7 "Hello" + "World" \u8fde\u63a5\u6210 "HelloWorld"\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528 join() \u65b9\u6cd5\u5c06\u591a\u4e2a\u5b57\u7b26\u4e32\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n \u5b57\u7b26\u4e32\u8fde\u63a5\u662f\u6700\u5e38\u89c1\u7684\u5b57\u7b26\u8fd0\u7b97\u4e4b\u4e00\uff0c\u53ef\u4ee5\u4f7f\u7528\u52a0\u53f7\uff08+\uff09\u8fd0\u7b97\u7b26\u6216 join() \u65b9\u6cd5\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n \u52a0\u53f7\uff08+\uff09\u8fd0\u7b97\u7b26\u53ef\u4ee5\u5c06\u4e24\u4e2a\u6216\u591a\u4e2a\u5b57\u7b26\u4e32\u8fde\u63a5\u6210\u4e00\u4e2a\u65b0\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n str2 = "World"<\/p>\n result = str1 + " " + str2<\/p>\n print(result) # \u8f93\u51fa\uff1aHello World<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u89c2\uff0c\u4f46\u5bf9\u4e8e\u5927\u91cf\u5b57\u7b26\u4e32\u7684\u8fde\u63a5\uff0c\u6548\u7387\u8f83\u4f4e\u3002<\/p>\n<\/p>\n join() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u4e00\u4e2a\u5b57\u7b26\u4e32\u5e8f\u5217\u8fde\u63a5\u6210\u4e00\u4e2a\u65b0\u5b57\u7b26\u4e32\uff0c\u6548\u7387\u8f83\u9ad8\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n result = " ".join(str_list)<\/p>\n print(result) # \u8f93\u51fa\uff1aHello World<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u8fde\u63a5\u5927\u91cf\u5b57\u7b26\u4e32\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n \u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u53ef\u4ee5\u901a\u8fc7\u5c06\u53d8\u91cf\u63d2\u5165\u5230\u5b57\u7b26\u4e32\u4e2d\u6765\u751f\u6210\u65b0\u7684\u5b57\u7b26\u4e32\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u6709 % \u64cd\u4f5c\u7b26\u3001format() \u65b9\u6cd5\u548c f-strings\u3002<\/p>\n<\/p>\n % \u64cd\u4f5c\u7b26\u53ef\u4ee5\u5c06\u53d8\u91cf\u63d2\u5165\u5230\u5b57\u7b26\u4e32\u4e2d\u7684\u5360\u4f4d\u7b26\u4f4d\u7f6e\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n age = 25<\/p>\n result = "My name is %s and I am %d years old." % (name, age)<\/p>\n print(result) # \u8f93\u51fa\uff1aMy name is Alice and I am 25 years old.<\/p>\n <\/code><\/pre>\n<\/p>\n format() \u65b9\u6cd5\u901a\u8fc7\u5927\u62ec\u53f7 {} \u4f5c\u4e3a\u5360\u4f4d\u7b26\uff0c\u5e76\u5728\u5b57\u7b26\u4e32\u672b\u5c3e\u8c03\u7528 format() \u65b9\u6cd5\u4f20\u5165\u53d8\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n age = 25<\/p>\n result = "My name is {} and I am {} years old.".format(name, age)<\/p>\n print(result) # \u8f93\u51fa\uff1aMy name is Alice and I am 25 years old.<\/p>\n <\/code><\/pre>\n<\/p>\n f-strings \u662f Python 3.6 \u5f15\u5165\u7684\u4e00\u79cd\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u901a\u8fc7\u5728\u5b57\u7b26\u4e32\u524d\u6dfb\u52a0\u5b57\u6bcd f\uff0c\u5e76\u5728\u5927\u62ec\u53f7 {} \u4e2d\u63d2\u5165\u53d8\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n age = 25<\/p>\n result = f"My name is {name} and I am {age} years old."<\/p>\n print(result) # \u8f93\u51fa\uff1aMy name is Alice and I am 25 years old.<\/p>\n <\/code><\/pre>\n<\/p>\n \u5b57\u7b26\u4e32\u67e5\u627e\u4e0e\u66ff\u6362\u662f\u5b57\u7b26\u8fd0\u7b97\u4e2d\u7684\u5e38\u89c1\u64cd\u4f5c\uff0c\u53ef\u4ee5\u4f7f\u7528 find() \u65b9\u6cd5\u548c replace() \u65b9\u6cd5\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n find() \u65b9\u6cd5\u53ef\u4ee5\u67e5\u627e\u5b50\u5b57\u7b26\u4e32\u5728\u5b57\u7b26\u4e32\u4e2d\u7684\u4f4d\u7f6e\uff0c\u8fd4\u56de\u5b50\u5b57\u7b26\u4e32\u7684\u8d77\u59cb\u7d22\u5f15\uff0c\u5982\u679c\u672a\u627e\u5230\u5219\u8fd4\u56de -1\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n index = str1.find("World")<\/p>\n print(index) # \u8f93\u51fa\uff1a7<\/p>\n <\/code><\/pre>\n<\/p>\n replace() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u5b50\u5b57\u7b26\u4e32\u66ff\u6362\u4e3a\u65b0\u7684\u5b50\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n result = str1.replace("World", "Python")<\/p>\n print(result) # \u8f93\u51fa\uff1aHello, Python!<\/p>\n <\/code><\/pre>\n<\/p>\n \u5b57\u7b26\u4e32\u5206\u5272\u53ef\u4ee5\u5c06\u4e00\u4e2a\u5b57\u7b26\u4e32\u6309\u7167\u6307\u5b9a\u7684\u5206\u9694\u7b26\u62c6\u5206\u6210\u591a\u4e2a\u5b50\u5b57\u7b26\u4e32\uff0c\u5e38\u7528\u7684\u65b9\u6cd5\u662f split()\u3002<\/p>\n<\/p>\n split() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u6309\u7167\u6307\u5b9a\u7684\u5206\u9694\u7b26\u62c6\u5206\u6210\u4e00\u4e2a\u5217\u8868\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n result = str1.split(",")<\/p>\n print(result) # \u8f93\u51fa\uff1a['apple', 'banana', 'cherry']<\/p>\n <\/code><\/pre>\n<\/p>\n \u5982\u679c\u672a\u6307\u5b9a\u5206\u9694\u7b26\uff0c\u5219\u9ed8\u8ba4\u6309\u7a7a\u683c\u5206\u5272\uff1a<\/p>\n<\/p>\n result = str1.split()<\/p>\n print(result) # \u8f93\u51fa\uff1a['Hello', 'World']<\/p>\n <\/code><\/pre>\n<\/p>\n \u5b57\u7b26\u4e32\u62fc\u63a5\u662f\u5c06\u591a\u4e2a\u5b50\u5b57\u7b26\u4e32\u6309\u7167\u6307\u5b9a\u7684\u5206\u9694\u7b26\u7ec4\u5408\u6210\u4e00\u4e2a\u65b0\u5b57\u7b26\u4e32\uff0c\u5e38\u7528\u7684\u65b9\u6cd5\u662f join()\u3002<\/p>\n<\/p>\n join() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u4e00\u4e2a\u5b57\u7b26\u4e32\u5e8f\u5217\u6309\u7167\u6307\u5b9a\u7684\u5206\u9694\u7b26\u62fc\u63a5\u6210\u4e00\u4e2a\u65b0\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n result = ", ".join(str_list)<\/p>\n print(result) # \u8f93\u51fa\uff1aapple, banana, cherry<\/p>\n <\/code><\/pre>\n<\/p>\n \u5b57\u7b26\u4e32\u6bd4\u8f83\u662f\u5224\u65ad\u4e24\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u76f8\u7b49\u6216\u8005\u6bd4\u8f83\u5b57\u7b26\u4e32\u7684\u5927\u5c0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u6bd4\u8f83\u8fd0\u7b97\u7b26\uff08==, !=, <, >, <=, >=\uff09\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n \u6bd4\u8f83\u8fd0\u7b97\u7b26\u53ef\u4ee5\u76f4\u63a5\u6bd4\u8f83\u4e24\u4e2a\u5b57\u7b26\u4e32\u7684\u5927\u5c0f\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n str2 = "banana"<\/p>\n print(str1 == str2) # \u8f93\u51fa\uff1aFalse<\/p>\n print(str1 != str2) # \u8f93\u51fa\uff1aTrue<\/p>\n print(str1 < str2) # \u8f93\u51fa\uff1aTrue<\/p>\n print(str1 > str2) # \u8f93\u51fa\uff1aFalse<\/p>\n <\/code><\/pre>\n<\/p>\n \u5b57\u7b26\u4e32\u6bd4\u8f83\u662f\u57fa\u4e8e\u5b57\u5178\u987a\u5e8f\u8fdb\u884c\u7684\uff0c\u5b57\u6bcd\u8868\u987a\u5e8f\u9760\u524d\u7684\u5b57\u7b26\u4e32\u8f83\u5c0f\u3002<\/p>\n<\/p>\n \u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\uff0c\u5b57\u7b26\u4e32\u64cd\u4f5c\u662f\u975e\u5e38\u5e38\u89c1\u7684\u9700\u6c42\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5b9e\u9645\u5e94\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n \u5904\u7406\u7528\u6237\u8f93\u5165\u65f6\uff0c\u5e38\u5e38\u9700\u8981\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u9a8c\u8bc1\u3001\u683c\u5f0f\u5316\u548c\u63d0\u53d6\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n if "@" in user_input and "." in user_input:<\/p>\n username, domain = user_input.split("@")<\/p>\n print(f"Username: {username}")<\/p>\n print(f"Domain: {domain}")<\/p>\n else:<\/p>\n print("Invalid email address")<\/p>\n <\/code><\/pre>\n<\/p>\n \u751f\u6210\u52a8\u6001\u5185\u5bb9\u65f6\uff0c\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u548c\u62fc\u63a5\u662f\u5e38\u7528\u7684\u64cd\u4f5c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n name = "Alice"<\/p>\n count = 5<\/p>\n message = template.format(name=name, count=count)<\/p>\n print(message) # \u8f93\u51fa\uff1aHello, Alice! You have 5 new messages.<\/p>\n <\/code><\/pre>\n<\/p>\n \u89e3\u6790\u548c\u8f6c\u6362\u6570\u636e\u65f6\uff0c\u5e38\u5e38\u9700\u8981\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u5206\u5272\u3001\u66ff\u6362\u548c\u62fc\u63a5\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n info = {}<\/p>\n for item in data.split(","):<\/p>\n key, value = item.split(":")<\/p>\n info[key] = value<\/p>\n print(info) # \u8f93\u51fa\uff1a{'name': 'Alice', 'age': '25', 'city': 'New York'}<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u5904\u7406\u5927\u91cf\u5b57\u7b26\u4e32\u65f6\uff0c\u6027\u80fd\u4f18\u5316\u662f\u4e00\u4e2a\u9700\u8981\u5173\u6ce8\u7684\u95ee\u9898\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4f18\u5316\u65b9\u6cd5\u3002<\/p>\n<\/p>\n \u5728\u62fc\u63a5\u5927\u91cf\u5b57\u7b26\u4e32\u65f6\uff0c\u4f7f\u7528 join() \u65b9\u6cd5\u6bd4\u4f7f\u7528\u52a0\u53f7\uff08+\uff09\u8fd0\u7b97\u7b26\u6548\u7387\u66f4\u9ad8\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n result = "".join(str_list)<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u751f\u6210\u5668\u6765\u8282\u7701\u5185\u5b58\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n for i in range(1000):<\/p>\n yield f"String {i}"<\/p>\n result = "\\n".join(generate_strings())<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u5904\u7406\u5b57\u7b26\u4e32\u65f6\uff0c\u5c3d\u91cf\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5b57\u7b26\u4e32\u590d\u5236\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n str1 = "Hello"<\/p>\n str2 = str1 + " World"<\/p>\n str1 = "Hello"<\/p>\n str2 = f"{str1} World"<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5b57\u7b26\u4e32\u5904\u7406\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\uff0c\u4ee5\u4e0b\u662f\u51e0\u4e2a\u5e38\u89c1\u95ee\u9898\u53ca\u5176\u89e3\u51b3\u65b9\u6cd5\u3002<\/p>\n<\/p>\n \u5904\u7406\u591a\u884c\u5b57\u7b26\u4e32\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e09\u91cd\u5f15\u53f7\uff08""" \u6216 '''\uff09\u6765\u5b9a\u4e49\u591a\u884c\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n World!<\/p>\n This is a multiline string."""<\/p>\n print(multiline_str)<\/p>\n <\/code><\/pre>\n<\/p>\n \u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u767d\u5b57\u7b26\uff0c\u53ef\u4ee5\u4f7f\u7528 strip()\u3001lstrip() \u548c rstrip() \u65b9\u6cd5\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n print(str1.strip()) # \u8f93\u51fa\uff1aHello, World!<\/p>\n print(str1.lstrip()) # \u8f93\u51fa\uff1aHello, World! <\/p>\n print(str1.rstrip()) # \u8f93\u51fa\uff1a Hello, World!<\/p>\n <\/code><\/pre>\n<\/p>\n \u5904\u7406\u7279\u6b8a\u5b57\u7b26\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u8f6c\u4e49\u5b57\u7b26\uff08\\\uff09\u6216\u8005 raw \u5b57\u7b26\u4e32\uff08\u5728\u5b57\u7b26\u4e32\u524d\u52a0 r\uff09\u6765\u5904\u7406\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n print(str1) # \u8f93\u51fa\uff1a<\/p>\n # Hello<\/p>\n # World!<\/p>\n str2 = r"Hello\\nWorld!"<\/p>\n print(str2) # \u8f93\u51fa\uff1aHello\\nWorld!<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u67d0\u4e9b\u9ad8\u7ea7\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u5b57\u7b26\u4e32\u5904\u7406\u9700\u8981\u7ed3\u5408\u6b63\u5219\u8868\u8fbe\u5f0f\u548c\u5176\u4ed6\u9ad8\u7ea7\u6280\u672f\u3002<\/p>\n<\/p>\n \u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5b57\u7b26\u4e32\u5339\u914d\u548c\u5904\u7406\u5de5\u5177\uff0c\u53ef\u4ee5\u4f7f\u7528 re \u6a21\u5757\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n pattern = r"\\b\\w{5}\\b"<\/p>\n text = "Hello World! This is a Python tutorial."<\/p>\n matches = re.findall(pattern, text)<\/p>\n print(matches) # \u8f93\u51fa\uff1a['Hello', 'World']<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u751f\u6210\u52a8\u6001\u5185\u5bb9\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u6a21\u677f\u5f15\u64ce\u6765\u7b80\u5316\u5b57\u7b26\u4e32\u5904\u7406\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n template = Template("Hello, {{ name }}!")<\/p>\n message = template.render(name="Alice")<\/p>\n print(message) # \u8f93\u51fa\uff1aHello, Alice!<\/p>\n <\/code><\/pre>\n<\/p>\n Python \u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5b57\u7b26\u4e32\u5904\u7406\u5e93\uff0c\u4ee5\u4e0b\u662f\u51e0\u4e2a\u5e38\u7528\u5e93\u7684\u4ecb\u7ecd\u3002<\/p>\n<\/p>\n re \u6a21\u5757\u63d0\u4f9b\u4e86\u6b63\u5219\u8868\u8fbe\u5f0f\u652f\u6301\uff0c\u53ef\u4ee5\u7528\u4e8e\u590d\u6742\u7684\u5b57\u7b26\u4e32\u5339\u914d\u548c\u5904\u7406\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n pattern = r"\\b\\w{5}\\b"<\/p>\n text = "Hello World! This is a Python tutorial."<\/p>\n matches = re.findall(pattern, text)<\/p>\n print(matches) # \u8f93\u51fa\uff1a['Hello', 'World']<\/p>\n <\/code><\/pre>\n<\/p>\n string \u6a21\u5757\u63d0\u4f9b\u4e86\u5e38\u7528\u7684\u5b57\u7b26\u4e32\u64cd\u4f5c\u548c\u5b57\u7b26\u96c6\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n print(string.ascii_letters) # \u8f93\u51fa\uff1aabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ<\/p>\n print(string.digits) # \u8f93\u51fa\uff1a0123456789<\/p>\n <\/code><\/pre>\n<\/p>\n textwrap \u6a21\u5757\u63d0\u4f9b\u4e86\u6587\u672c\u6362\u884c\u548c\u586b\u5145\u7684\u529f\u80fd\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n text = "This is a very long text that needs to be wrapped."<\/p>\n wrapped_text = textwrap.fill(text, width=20)<\/p>\n print(wrapped_text)<\/p>\n <\/code><\/pre>\n<\/p>\n difflib \u6a21\u5757\u63d0\u4f9b\u4e86\u5b57\u7b26\u4e32\u5dee\u5f02\u6bd4\u8f83\u7684\u529f\u80fd\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n str1 = "Hello, World!"<\/p>\n str2 = "Hello, Python!"<\/p>\n diff = difflib.ndiff(str1, str2)<\/p>\n print('\\n'.join(diff))<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u9075\u5faa\u5b57\u7b26\u4e32\u5904\u7406\u7684\u6700\u4f73\u5b9e\u8df5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n \u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u5b57\u7b26\u4e32\u5904\u7406\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u62fc\u63a5\u5927\u91cf\u5b57\u7b26\u4e32\u65f6\uff0c\u4f18\u5148\u9009\u62e9 join() \u65b9\u6cd5\u800c\u4e0d\u662f\u52a0\u53f7\uff08+\uff09\u8fd0\u7b97\u7b26\u3002<\/p>\n<\/p>\n \u5c3d\u91cf\u907f\u514d\u5728\u4ee3\u7801\u4e2d\u786c\u7f16\u7801\u5b57\u7b26\u4e32\uff0c\u4f7f\u7528\u53d8\u91cf\u6216\u914d\u7f6e\u6587\u4ef6\u6765\u5b58\u50a8\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n print("Hello, World!")<\/p>\n greeting = "Hello, World!"<\/p>\n print(greeting)<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u5904\u7406\u590d\u6742\u5b57\u7b26\u4e32\u65f6\uff0c\u6dfb\u52a0\u6ce8\u91ca\u548c\u6587\u6863\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n pattern = r"\\b\\w{5}\\b"<\/p>\n text = "Hello World! This is a Python tutorial."<\/p>\n matches = re.findall(pattern, text)<\/p>\n print(matches) # \u8f93\u51fa\uff1a['Hello', 'World']<\/p>\n <\/code><\/pre>\n<\/p>\n \u7f16\u5199\u5355\u5143\u6d4b\u8bd5\u53ef\u4ee5\u786e\u4fdd\u5b57\u7b26\u4e32\u5904\u7406\u4ee3\u7801\u7684\u6b63\u786e\u6027\u548c\u7a33\u5b9a\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n class TestStringMethods(unittest.TestCase):<\/p>\n def test_upper(self):<\/p>\n self.assertEqual('foo'.upper(), 'FOO')<\/p>\n def test_isupper(self):<\/p>\n self.assertTrue('FOO'.isupper())<\/p>\n self.assertFalse('Foo'.isupper())<\/p>\n if __name__ == '__main__':<\/p>\n unittest.main()<\/p>\n <\/code><\/pre>\n<\/p>\n \u901a\u8fc7\u4ee5\u4e0a\u5185\u5bb9\uff0c\u6211\u4eec\u53ef\u4ee5\u5168\u9762\u4e86\u89e3Python\u4e2d\u5b9e\u73b0\u5b57\u7b26\u8fd0\u7b97\u7684\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u5e76\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u7075\u6d3b\u5e94\u7528\u3002<\/p>\n<\/p>\n \u5982\u4f55\u5728Python\u4e2d\u8fdb\u884c\u5b57\u7b26\u4e32\u7684\u62fc\u63a5\u4e0e\u5206\u5272\uff1f<\/strong> Python\u4e2d\u5982\u4f55\u8fdb\u884c\u5b57\u7b26\u4e32\u7684\u67e5\u627e\u548c\u66ff\u6362\u64cd\u4f5c\uff1f<\/strong> \u5982\u4f55\u5728Python\u4e2d\u5904\u7406\u5b57\u7b26\u4e32\u7684\u683c\u5f0f\u5316\uff1f<\/strong>\u4e00\u3001\u5b57\u7b26\u4e32\u8fde\u63a5<\/strong><\/h2>\n
\u4f7f\u7528\u52a0\u53f7\uff08+\uff09<\/h2>\n<\/p>\n
str1 = "Hello"<\/p>\n\u4f7f\u7528 join() \u65b9\u6cd5<\/h2>\n<\/p>\n
str_list = ["Hello", "World"]<\/p>\n\u4e8c\u3001\u5b57\u7b26\u4e32\u683c\u5f0f\u5316<\/strong><\/h2>\n
\u4f7f\u7528 % \u64cd\u4f5c\u7b26<\/h2>\n<\/p>\n
name = "Alice"<\/p>\n\u4f7f\u7528 format() \u65b9\u6cd5<\/h2>\n<\/p>\n
name = "Alice"<\/p>\n\u4f7f\u7528 f-strings<\/h2>\n<\/p>\n
name = "Alice"<\/p>\n\u4e09\u3001\u5b57\u7b26\u4e32\u67e5\u627e\u4e0e\u66ff\u6362<\/strong><\/h2>\n
\u4f7f\u7528 find() \u65b9\u6cd5<\/h2>\n<\/p>\n
str1 = "Hello, World!"<\/p>\n\u4f7f\u7528 replace() \u65b9\u6cd5<\/h2>\n<\/p>\n
str1 = "Hello, World!"<\/p>\n\u56db\u3001\u5b57\u7b26\u4e32\u5206\u5272<\/strong><\/h2>\n
\u4f7f\u7528 split() \u65b9\u6cd5<\/h2>\n<\/p>\n
str1 = "apple,banana,cherry"<\/p>\nstr1 = "Hello World"<\/p>\n\u4e94\u3001\u5b57\u7b26\u4e32\u62fc\u63a5<\/strong><\/h2>\n
\u4f7f\u7528 join() \u65b9\u6cd5<\/h2>\n<\/p>\n
str_list = ["apple", "banana", "cherry"]<\/p>\n\u516d\u3001\u5b57\u7b26\u4e32\u6bd4\u8f83<\/strong><\/h2>\n
\u4f7f\u7528\u6bd4\u8f83\u8fd0\u7b97\u7b26<\/h2>\n<\/p>\n
str1 = "apple"<\/p>\n\u4e03\u3001\u5b57\u7b26\u4e32\u64cd\u4f5c\u7684\u5b9e\u9645\u5e94\u7528<\/strong><\/h2>\n
\u5904\u7406\u7528\u6237\u8f93\u5165<\/h2>\n<\/p>\n
user_input = input("Enter your emAI<\/a>l: ")<\/p>\n\u751f\u6210\u52a8\u6001\u5185\u5bb9<\/h2>\n<\/p>\n
template = "Hello, {name}! You have {count} new messages."<\/p>\n\u6570\u636e\u89e3\u6790\u4e0e\u8f6c\u6362<\/h2>\n<\/p>\n
data = "name:Alice,age:25,city:New York"<\/p>\n\u516b\u3001\u5b57\u7b26\u4e32\u5904\u7406\u7684\u6027\u80fd\u4f18\u5316<\/strong><\/h2>\n
\u4f7f\u7528 join() \u4ee3\u66ff +<\/h2>\n<\/p>\n
str_list = ["Hello"] * 1000<\/p>\n\u4f7f\u7528\u751f\u6210\u5668<\/h2>\n<\/p>\n
def generate_strings():<\/p>\n\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5b57\u7b26\u4e32\u590d\u5236<\/h2>\n<\/p>\n
# \u4e0d\u63a8\u8350<\/p>\n\u63a8\u8350<\/strong><\/h2>\n
\u4e5d\u3001\u5b57\u7b26\u4e32\u5904\u7406\u7684\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6cd5<\/strong><\/h2>\n
\u5904\u7406\u591a\u884c\u5b57\u7b26\u4e32<\/h2>\n<\/p>\n
multiline_str = """Hello,<\/p>\n\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u767d\u5b57\u7b26<\/h2>\n<\/p>\n
str1 = " Hello, World! "<\/p>\n\u5904\u7406\u7279\u6b8a\u5b57\u7b26<\/h2>\n<\/p>\n
str1 = "Hello\\nWorld!"<\/p>\n\u5341\u3001\u5b57\u7b26\u4e32\u5904\u7406\u7684\u9ad8\u7ea7\u5e94\u7528<\/strong><\/h2>\n
\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f<\/h2>\n<\/p>\n
import re<\/p>\n\u4f7f\u7528\u6a21\u677f\u5f15\u64ce<\/h2>\n<\/p>\n
from jinja2 import Template<\/p>\n\u5341\u4e00\u3001\u5b57\u7b26\u4e32\u5904\u7406\u7684\u5e38\u7528\u5e93<\/strong><\/h2>\n
re \u6a21\u5757<\/h2>\n<\/p>\n
import re<\/p>\nstring \u6a21\u5757<\/h2>\n<\/p>\n
import string<\/p>\ntextwrap \u6a21\u5757<\/h2>\n<\/p>\n
import textwrap<\/p>\n\u8f93\u51fa\uff1a<\/strong><\/h2>\n
This is a very long<\/strong><\/h2>\n
text that needs to<\/strong><\/h2>\n
be wrapped.<\/strong><\/h2>\n
difflib \u6a21\u5757<\/h2>\n<\/p>\n
import difflib<\/p>\n\u5341\u4e8c\u3001\u5b57\u7b26\u4e32\u5904\u7406\u7684\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n
\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5<\/h2>\n<\/p>\n
\u907f\u514d\u786c\u7f16\u7801<\/h2>\n<\/p>\n
# \u4e0d\u63a8\u8350<\/p>\n\u63a8\u8350<\/strong><\/h2>\n
\u4f7f\u7528\u6ce8\u91ca\u548c\u6587\u6863<\/h2>\n<\/p>\n
import re<\/p>\n\u5339\u914d\u6240\u6709\u5305\u542b5\u4e2a\u5b57\u7b26\u7684\u5355\u8bcd<\/strong><\/h2>\n
\u7f16\u5199\u5355\u5143\u6d4b\u8bd5<\/h2>\n<\/p>\n
import unittest<\/p>\n\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u52a0\u53f7\uff08+<\/code>\uff09\u8fd0\u7b97\u7b26\u6765\u62fc\u63a5\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0cstr1 = "Hello"<\/code> \u548c str2 = "World"<\/code> \u53ef\u4ee5\u901a\u8fc7 result = str1 + " " + str2<\/code> \u5f97\u5230 "Hello World"<\/code>\u3002\u5bf9\u4e8e\u5b57\u7b26\u4e32\u7684\u5206\u5272\uff0c\u53ef\u4ee5\u4f7f\u7528 split()<\/code> \u65b9\u6cd5\uff0c\u5c06\u5b57\u7b26\u4e32\u6309\u6307\u5b9a\u7684\u5206\u9694\u7b26\u5207\u5272\u6210\u591a\u4e2a\u90e8\u5206\uff0c\u4f8b\u5982 text = "apple,banana,cherry"<\/code> \u53ef\u4ee5\u901a\u8fc7 text.split(",")<\/code> \u5f97\u5230 ['apple', 'banana', 'cherry']<\/code> \u7684\u5217\u8868\u3002<\/p>\n
\u5728\u5b57\u7b26\u4e32\u4e2d\u67e5\u627e\u7279\u5b9a\u5b57\u7b26\u6216\u5b50\u5b57\u7b26\u4e32\u53ef\u4ee5\u4f7f\u7528 find()<\/code> \u6216 index()<\/code> \u65b9\u6cd5\uff0c\u524d\u8005\u5728\u627e\u4e0d\u5230\u65f6\u8fd4\u56de -1<\/code>\uff0c\u540e\u8005\u5219\u4f1a\u629b\u51fa\u5f02\u5e38\u3002\u66ff\u6362\u5b57\u7b26\u4e32\u5219\u53ef\u4ee5\u4f7f\u7528 replace()<\/code> \u65b9\u6cd5\uff0c\u4f8b\u5982 text = "I like apples"<\/code> \u53ef\u4ee5\u901a\u8fc7 text.replace("apples", "oranges")<\/code> \u5c06\u5176\u53d8\u4e3a "I like oranges"<\/code>\u3002<\/p>\n
\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u5728Python\u4e2d\u975e\u5e38\u7075\u6d3b\uff0c\u53ef\u4ee5\u4f7f\u7528f-string<\/code>\uff08\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\uff09\uff0c\u4f8b\u5982 name = "Alice"<\/code> \u548c age = 30<\/code> \u53ef\u4ee5\u901a\u8fc7 f"My name is {name} and I am {age} years old."<\/code> \u6765\u751f\u6210 "My name is Alice and I am 30 years old."<\/code>\u3002\u53e6\u5916\uff0cformat()<\/code> \u65b9\u6cd5\u548c %<\/code> \u64cd\u4f5c\u7b26\u4e5f\u662f\u5e38\u7528\u7684\u683c\u5f0f\u5316\u65b9\u5f0f\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u4f7f\u7528\u573a\u666f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u5b9e\u73b0\u5b57\u7b26\u8fd0\u7b97\u7684\u65b9\u6cd5\u6709\uff1a\u5b57\u7b26\u4e32\u8fde\u63a5\u3001\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3001\u5b57\u7b26\u4e32\u67e5\u627e\u4e0e\u66ff\u6362\u3001\u5b57\u7b26\u4e32\u5206\u5272\u3001\u5b57\u7b26\u4e32\u62fc\u63a5\u3001\u5b57\u7b26\u4e32\u6bd4 […]","protected":false},"author":3,"featured_media":1150806,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1150798"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1150798"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1150798\/revisions"}],"predecessor-version":[{"id":1150808,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1150798\/revisions\/1150808"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1150806"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1150798"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1150798"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1150798"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}