![\"python\u4e2d\u5982\u4f55\u77e5\u9053\u5faa\u73af\u6b21\u6570\"](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25135356\/c37dd93a-aa94-4351-9e41-52173c076c94.webp\")
<\/p>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u6765\u786e\u5b9a\u5faa\u73af\u6b21\u6570\uff0c\u5305\u62ec\u4f7f\u7528 \u4f7f\u7528 \u4f7f\u7528 \u7ef4\u62a4\u4e00\u4e2a\u8ba1\u6570\u5668\u53d8\u91cf<\/strong>\uff1a \u4f7f\u7528 \u5c55\u5f00\u8be6\u7ec6\u63cf\u8ff0 \u4f8b\u5982\uff1a<\/p>\n<\/p>\n print(i)<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n 1<\/p>\n 2<\/p>\n 3<\/p>\n 4<\/p>\n <\/code><\/pre>\n<\/p>\n \u56e0\u4e3a \u4f7f\u7528 print(i)<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u5c06\u8f93\u51fa\u4ece0\u52309\u7684\u6570\u5b57\uff0c\u56e0\u4e3a \u901a\u8fc7\u6307\u5b9a\u8d77\u59cb\u70b9\u548c\u7ec8\u6b62\u70b9\uff0c\u53ef\u4ee5\u751f\u6210\u4ece\u6307\u5b9a\u8d77\u59cb\u70b9\u5230\u7ec8\u6b62\u70b9-1\u7684\u6570\u5b57\u5e8f\u5217\u3002\u4f7f\u7528\u65b9\u5f0f\u4e3a print(i)<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u5c06\u8f93\u51fa\u4ece5\u523014\u7684\u6570\u5b57\uff0c\u56e0\u4e3a \u901a\u8fc7\u6307\u5b9a\u6b65\u957f\uff0c\u53ef\u4ee5\u751f\u6210\u4e00\u4e2a\u6570\u5b57\u5e8f\u5217\uff0c\u6bcf\u4e2a\u6570\u5b57\u4e4b\u95f4\u7684\u5dee\u503c\u4e3a\u6307\u5b9a\u7684\u6b65\u957f\u3002\u4f7f\u7528\u65b9\u5f0f\u4e3a print(i)<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u5c06\u8f93\u51fa\u4ece0\u523018\u7684\u5076\u6570\uff0c\u56e0\u4e3a \u5982\u679c\u9700\u8981\u751f\u6210\u4e00\u4e2a\u9012\u51cf\u7684\u5e8f\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528\u8d1f\u7684\u6b65\u957f\u3002<\/p>\n<\/p>\n print(i)<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u5c06\u8f93\u51fa\u4ece10\u52301\u7684\u6570\u5b57\uff0c\u56e0\u4e3a \u4f7f\u7528 for index, value in enumerate(some_list):<\/p>\n print(index, value)<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n 1 b<\/p>\n 2 c<\/p>\n 3 d<\/p>\n <\/code><\/pre>\n<\/p>\n \u56e0\u4e3a \u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u8d77\u59cb\u7d22\u5f15\u6765\u6539\u53d8\u7d22\u5f15\u7684\u8d77\u59cb\u503c\u3002\u4f7f\u7528\u65b9\u5f0f\u4e3a for index, value in enumerate(some_list, start=1):<\/p>\n print(index, value)<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n 2 b<\/p>\n 3 c<\/p>\n 4 d<\/p>\n <\/code><\/pre>\n<\/p>\n \u56e0\u4e3a \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u624b\u52a8\u7ef4\u62a4\u4e00\u4e2a\u8ba1\u6570\u5668\u53d8\u91cf\u6765\u8ddf\u8e2a\u5faa\u73af\u6b21\u6570\u3002\u867d\u7136\u4e0d\u5982 \u901a\u8fc7\u5728\u5faa\u73af\u5f00\u59cb\u524d\u521d\u59cb\u5316\u4e00\u4e2a\u8ba1\u6570\u5668\u53d8\u91cf\uff0c\u5e76\u5728\u6bcf\u6b21\u5faa\u73af\u4e2d\u589e\u52a0\u8ba1\u6570\u5668\u7684\u503c\uff0c\u53ef\u4ee5\u8ddf\u8e2a\u5faa\u73af\u6b21\u6570\u3002<\/p>\n<\/p>\n while counter < 10:<\/p>\n print(counter)<\/p>\n counter += 1<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u5c06\u8f93\u51fa\u4ece0\u52309\u7684\u6570\u5b57\uff0c\u56e0\u4e3a\u5728\u6bcf\u6b21\u5faa\u73af\u4e2d\u8ba1\u6570\u5668\u7684\u503c\u90fd\u4f1a\u589e\u52a01\uff0c\u76f4\u5230\u8ba1\u6570\u5668\u8fbe\u523010\u3002<\/p>\n<\/p>\n \u867d\u7136for\u5faa\u73af\u901a\u5e38\u4f7f\u7528 for _ in range(10):<\/p>\n print(counter)<\/p>\n counter += 1<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u4e5f\u5c06\u8f93\u51fa\u4ece0\u52309\u7684\u6570\u5b57\uff0c\u56e0\u4e3a\u5728\u6bcf\u6b21\u5faa\u73af\u4e2d\u8ba1\u6570\u5668\u7684\u503c\u90fd\u4f1a\u589e\u52a01\u3002<\/p>\n<\/p>\n \u7ef4\u62a4\u4e00\u4e2a\u8ba1\u6570\u5668\u53d8\u91cf\u53ef\u4ee5\u63d0\u4f9b\u66f4\u5927\u7684\u7075\u6d3b\u6027\uff0c\u4f8b\u5982\u5728\u590d\u6742\u7684\u6761\u4ef6\u4e0b\u63a7\u5236\u5faa\u73af\u6b21\u6570\u3002<\/p>\n<\/p>\n while True:<\/p>\n print(counter)<\/p>\n counter += 1<\/p>\n if counter == 10:<\/p>\n break<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u4f7f\u7528\u4e86 \u5728\u904d\u5386\u5217\u8868\u6216\u5176\u4ed6\u53ef\u8fed\u4ee3\u5bf9\u8c61\u65f6\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 \u901a\u8fc7 for i in range(len(some_list)):<\/p>\n print(i, some_list[i])<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n 1 b<\/p>\n 2 c<\/p>\n 3 d<\/p>\n <\/code><\/pre>\n<\/p>\n \u56e0\u4e3a \u901a\u8fc7 counter = 0<\/p>\n while counter < len(some_list):<\/p>\n print(counter, some_list[counter])<\/p>\n counter += 1<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u4e5f\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n 1 b<\/p>\n 2 c<\/p>\n 3 d<\/p>\n <\/code><\/pre>\n<\/p>\n \u56e0\u4e3a\u5728\u6bcf\u6b21\u5faa\u73af\u4e2d\u8ba1\u6570\u5668\u7684\u503c\u90fd\u4f1a\u589e\u52a01\uff0c\u76f4\u5230\u8ba1\u6570\u5668\u8fbe\u5230\u5217\u8868\u7684\u957f\u5ea6\u3002<\/p>\n<\/p>\n \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u7ed3\u5408\u5176\u4ed6\u6761\u4ef6\u6765\u63a7\u5236\u5faa\u73af\u6b21\u6570\u3002<\/p>\n<\/p>\n counter = 0<\/p>\n while counter < len(some_list) and some_list[counter] != 'c':<\/p>\n print(counter, some_list[counter])<\/p>\n counter += 1<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n 1 b<\/p>\n <\/code><\/pre>\n<\/p>\n \u56e0\u4e3a\u5faa\u73af\u5728\u9047\u5230\u5143\u7d20'c'\u65f6\u7ec8\u6b62\u3002<\/p>\n<\/p>\n \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u7ed3\u5408\u5176\u4ed6\u63a7\u5236\u7ed3\u6784\u6765\u786e\u5b9a\u5faa\u73af\u6b21\u6570\uff0c\u4f8b\u5982\u5d4c\u5957\u5faa\u73af\u3001\u6761\u4ef6\u8bed\u53e5\u7b49\u3002<\/p>\n<\/p>\n \u5728\u5d4c\u5957\u5faa\u73af\u4e2d\uff0c\u5916\u5c42\u5faa\u73af\u548c\u5185\u5c42\u5faa\u73af\u7684\u6b21\u6570\u53ef\u4ee5\u5206\u522b\u63a7\u5236\u3002<\/p>\n<\/p>\n for j in range(2):<\/p>\n print(f"i: {i}, j: {j}")<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n i: 0, j: 1<\/p>\n i: 1, j: 0<\/p>\n i: 1, j: 1<\/p>\n i: 2, j: 0<\/p>\n i: 2, j: 1<\/p>\n <\/code><\/pre>\n<\/p>\n \u56e0\u4e3a\u5916\u5c42\u5faa\u73af\u6267\u884c3\u6b21\uff0c\u6bcf\u6b21\u5185\u5c42\u5faa\u73af\u6267\u884c2\u6b21\u3002<\/p>\n<\/p>\n \u5728\u5faa\u73af\u4e2d\u7ed3\u5408\u6761\u4ef6\u8bed\u53e5\uff0c\u53ef\u4ee5\u7075\u6d3b\u63a7\u5236\u5faa\u73af\u7684\u6267\u884c\u6b21\u6570\u3002<\/p>\n<\/p>\n if i % 2 == 0:<\/p>\n continue<\/p>\n if i == 7:<\/p>\n break<\/p>\n print(i)<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n 3<\/p>\n 5<\/p>\n <\/code><\/pre>\n<\/p>\n \u56e0\u4e3a\u5728\u9047\u5230\u5076\u6570\u65f6\u8df3\u8fc7\u5faa\u73af\uff08 \u901a\u8fc7\u5c06\u5faa\u73af\u63a7\u5236\u903b\u8f91\u5c01\u88c5\u5728\u51fd\u6570\u4e2d\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n for index, item in enumerate(items):<\/p>\n if item == 'stop':<\/p>\n break<\/p>\n print(index, item)<\/p>\n some_list = ['a', 'b', 'stop', 'd']<\/p>\n process_items(some_list)<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n 1 b<\/p>\n <\/code><\/pre>\n<\/p>\n \u56e0\u4e3a\u5728\u9047\u5230\u5143\u7d20'stop'\u65f6\u7ec8\u6b62\u5faa\u73af\u3002<\/p>\n<\/p>\n \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u786e\u5b9a\u5faa\u73af\u6b21\u6570\u662f\u975e\u5e38\u5e38\u89c1\u7684\u9700\u6c42\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5177\u4f53\u7684\u5e94\u7528\u793a\u4f8b\u3002<\/p>\n<\/p>\n \u8bfb\u53d6\u6587\u4ef6\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7 for line_number, line in enumerate(file, start=1):<\/p>\n print(f"Line {line_number}: {line.strip()}")<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u5c06\u8f93\u51fa\u6587\u4ef6\u4e2d\u6bcf\u884c\u7684\u884c\u53f7\u548c\u5185\u5bb9\u3002<\/p>\n<\/p>\n \u5728\u5904\u7406\u5927\u6570\u636e\u96c6\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7 for i in range(len(data)):<\/p>\n if i % 100000 == 0:<\/p>\n print(f"Processing item {i}")<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u5c06\u5728\u5904\u7406\u5927\u6570\u636e\u96c6\u65f6\uff0c\u6bcf10\u4e07\u6b21\u8f93\u51fa\u4e00\u6b21\u8fdb\u5ea6\u3002<\/p>\n<\/p>\n \u5728\u751f\u6210\u52a8\u6001\u5185\u5bb9\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af\u63a7\u5236\u751f\u6210\u7684\u6570\u91cf\u3002<\/p>\n<\/p>\n return [i for i in range(n)]<\/p>\n numbers = generate_numbers(10)<\/p>\n print(numbers)<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u5c06\u751f\u6210\u4e00\u4e2a\u5305\u542b10\u4e2a\u6570\u5b57\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n \u5728\u591a\u7ebf\u7a0b\u5904\u7406\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af\u63a7\u5236\u7ebf\u7a0b\u7684\u521b\u5efa\u548c\u7ba1\u7406\u3002<\/p>\n<\/p>\n def worker(thread_id):<\/p>\n print(f"Thread {thread_id} is working")<\/p>\n threads = []<\/p>\n for i in range(5):<\/p>\n thread = threading.Thread(target=worker, args=(i,))<\/p>\n threads.append(thread)<\/p>\n thread.start()<\/p>\n for thread in threads:<\/p>\n thread.join()<\/p>\n <\/code><\/pre>\n<\/p>\n \u6b64\u4ee3\u7801\u5c06\u521b\u5efa\u5e76\u542f\u52a85\u4e2a\u7ebf\u7a0b\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u6267\u884c \u5728\u56fe\u5f62\u7528\u6237\u754c\u9762\uff08GUI\uff09\u7f16\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af\u52a8\u6001\u521b\u5efa\u754c\u9762\u5143\u7d20\u3002<\/p>\n<\/p>\n root = tk.Tk()<\/p>\n for i in range(5):<\/p>\n label = tk.Label(root, text=f"Label {i}")<\/p>\n label.pack()<\/p>\nrange<\/code>\u51fd\u6570\u3001enumerate<\/code>\u51fd\u6570\u3001\u7ef4\u62a4\u4e00\u4e2a\u8ba1\u6570\u5668\u53d8\u91cf\u3001\u4ee5\u53ca\u4f7f\u7528len<\/code>\u51fd\u6570\u7b49\u3002\u4e0b\u9762\u662f\u8be6\u7ec6\u89e3\u91ca\uff1a<\/strong><\/p>\n<\/p>\n\n
range<\/code> \u51fd\u6570<\/strong>\uff1arange<\/code> \u51fd\u6570\u662fPython\u4e2d\u975e\u5e38\u5e38\u7528\u7684\u751f\u6210\u4e00\u7cfb\u5217\u6570\u5b57\u7684\u51fd\u6570\uff0c\u901a\u5e38\u5728for\u5faa\u73af\u4e2d\u4f7f\u7528\u3002\u901a\u8fc7range<\/code>\u51fd\u6570\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u63a7\u5236\u5faa\u73af\u7684\u6b21\u6570\u3002
\u4f8b\u5982\uff0cfor i in range(10)<\/code> \u5c06\u4f1a\u8ba9\u5faa\u73af\u6267\u884c10\u6b21\uff0c\u6bcf\u6b21i<\/code>\u7684\u503c\u4ece0\u52309\u3002<\/p>\n<\/p>\n<\/li>\nenumerate<\/code> \u51fd\u6570<\/strong>\uff1a
\u5982\u679c\u60a8\u9700\u8981\u5728\u5faa\u73af\u4e2d\u540c\u65f6\u8bbf\u95ee\u5143\u7d20\u548c\u5b83\u4eec\u7684\u7d22\u5f15\uff0cenumerate<\/code> \u51fd\u6570\u662f\u975e\u5e38\u6709\u7528\u7684\u3002\u5b83\u4e0d\u4ec5\u8fd4\u56de\u5143\u7d20\uff0c\u8fd8\u8fd4\u56de\u5143\u7d20\u7684\u7d22\u5f15\uff0c\u8fd9\u6837\u60a8\u5c31\u53ef\u4ee5\u77e5\u9053\u5faa\u73af\u6b21\u6570\u3002
\u4f8b\u5982\uff0cfor index, value in enumerate(some_list)<\/code> \u5c06\u4f1a\u8ba9\u5faa\u73af\u6267\u884clen(some_list)\u6b21\uff0c\u6bcf\u6b21index<\/code>\u7684\u503c\u4ece0\u5230len(some_list)-1\u3002<\/p>\n<\/p>\n<\/li>\n
\u60a8\u53ef\u4ee5\u624b\u52a8\u7ef4\u62a4\u4e00\u4e2a\u8ba1\u6570\u5668\u53d8\u91cf\u6765\u8ddf\u8e2a\u5faa\u73af\u6b21\u6570\u3002\u6bcf\u6b21\u5faa\u73af\u65f6\u589e\u52a0\u8ba1\u6570\u5668\u7684\u503c\uff0c\u8fd9\u6837\u60a8\u5c31\u53ef\u4ee5\u77e5\u9053\u5faa\u73af\u6267\u884c\u4e86\u591a\u5c11\u6b21\u3002
\u4f8b\u5982\uff0ccounter = 0<\/code> \u521d\u59cb\u5316\u8ba1\u6570\u5668\uff0c\u7136\u540e\u5728\u5faa\u73af\u4f53\u5185\u4f7f\u7528 counter += 1<\/code> \u6765\u589e\u52a0\u8ba1\u6570\u5668\u7684\u503c\u3002<\/p>\n<\/p>\n<\/li>\nlen<\/code> \u51fd\u6570<\/strong>\uff1a
\u5728\u904d\u5386\u5217\u8868\u6216\u5176\u4ed6\u53ef\u8fed\u4ee3\u5bf9\u8c61\u65f6\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528len<\/code>\u51fd\u6570\u6765\u786e\u5b9a\u5faa\u73af\u6b21\u6570\u3002
\u4f8b\u5982\uff0cfor i in range(len(some_list))<\/code> \u5c06\u4f1a\u8ba9\u5faa\u73af\u6267\u884clen(some_list)\u6b21\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\nrange<\/code> \u51fd\u6570\u7684\u4f7f\u7528<\/strong>\uff1arange<\/code> \u51fd\u6570\u53ef\u4ee5\u751f\u6210\u4e00\u7cfb\u5217\u6570\u5b57\uff0c\u901a\u5e38\u7528\u4e8efor\u5faa\u73af\u4e2d\u6765\u63a7\u5236\u5faa\u73af\u7684\u6b21\u6570\u3002\u5b83\u6709\u4e09\u79cd\u7528\u6cd5\uff1a <\/p>\n<\/p>\n\n
range(stop)<\/code>\uff1a\u751f\u6210\u4ece0\u5230stop-1\u7684\u6570\u5b57\u5e8f\u5217\u3002<\/li>\nrange(start, stop)<\/code>\uff1a\u751f\u6210\u4ecestart\u5230stop-1\u7684\u6570\u5b57\u5e8f\u5217\u3002<\/li>\nrange(start, stop, step)<\/code>\uff1a\u751f\u6210\u4ecestart\u5230stop-1\u7684\u6570\u5b57\u5e8f\u5217\uff0c\u6b65\u957f\u4e3astep\u3002<\/li>\n<\/ul>\nfor i in range(5):<\/p>\n0<\/p>\nrange(5)<\/code>\u751f\u6210\u4e86\u4e00\u4e2a\u4ece0\u52304\u7684\u6570\u5b57\u5e8f\u5217\u3002<\/p>\n<\/p>\n\u4e00\u3001\u4f7f\u7528
range<\/code> \u51fd\u6570\u63a7\u5236\u5faa\u73af\u6b21\u6570<\/h2>\n<\/p>\nrange<\/code> \u51fd\u6570\u662fPython\u4e2d\u63a7\u5236\u5faa\u73af\u6b21\u6570\u7684\u5e38\u7528\u65b9\u6cd5\u3002\u901a\u8fc7\u6307\u5b9a\u8303\u56f4\uff0c\u60a8\u53ef\u4ee5\u7cbe\u786e\u5730\u63a7\u5236\u5faa\u73af\u7684\u8d77\u59cb\u548c\u7ed3\u675f\u70b9\u3002<\/p>\n<\/p>\n1. \u57fa\u672c\u7528\u6cd5<\/h3>\n<\/p>\n
range(stop)<\/code>\u53ef\u4ee5\u751f\u6210\u4ece0\u5230stop-1<\/code>\u7684\u6570\u5b57\u5e8f\u5217\u3002\u8fd9\u662f\u6700\u7b80\u5355\u7684\u7528\u6cd5\uff0c\u901a\u5e38\u5728\u9700\u8981\u56fa\u5b9a\u6b21\u6570\u7684\u5faa\u73af\u4e2d\u4f7f\u7528\u3002<\/p>\n<\/p>\nfor i in range(10):<\/p>\nrange(10)<\/code>\u751f\u6210\u4e86\u4e00\u4e2a\u4ece0\u52309\u7684\u5e8f\u5217\u3002<\/p>\n<\/p>\n2. \u5e26\u8d77\u59cb\u70b9\u7684\u7528\u6cd5<\/h3>\n<\/p>\n
range(start, stop)<\/code>\u3002<\/p>\n<\/p>\nfor i in range(5, 15):<\/p>\nrange(5, 15)<\/code>\u751f\u6210\u4e86\u4e00\u4e2a\u4ece5\u523014\u7684\u5e8f\u5217\u3002<\/p>\n<\/p>\n3. \u5e26\u6b65\u957f\u7684\u7528\u6cd5<\/h3>\n<\/p>\n
range(start, stop, step)<\/code>\u3002<\/p>\n<\/p>\nfor i in range(0, 20, 2):<\/p>\nrange(0, 20, 2)<\/code>\u751f\u6210\u4e86\u4e00\u4e2a\u4ece0\u523018\u7684\u5e8f\u5217\uff0c\u6bcf\u4e2a\u6570\u5b57\u4e4b\u95f4\u7684\u5dee\u503c\u4e3a2\u3002<\/p>\n<\/p>\n4. \u9006\u5411\u5e8f\u5217<\/h3>\n<\/p>\n
for i in range(10, 0, -1):<\/p>\nrange(10, 0, -1)<\/code>\u751f\u6210\u4e86\u4e00\u4e2a\u4ece10\u52301\u7684\u5e8f\u5217\uff0c\u6bcf\u4e2a\u6570\u5b57\u4e4b\u95f4\u7684\u5dee\u503c\u4e3a-1\u3002<\/p>\n<\/p>\n\u4e8c\u3001\u4f7f\u7528
enumerate<\/code> \u51fd\u6570\u83b7\u53d6\u7d22\u5f15\u548c\u5143\u7d20<\/h2>\n<\/p>\nenumerate<\/code> \u51fd\u6570\u53ef\u4ee5\u5728\u904d\u5386\u53ef\u8fed\u4ee3\u5bf9\u8c61\u65f6\u83b7\u53d6\u5143\u7d20\u53ca\u5176\u7d22\u5f15\u3002\u5b83\u8fd4\u56de\u4e00\u4e2a\u679a\u4e3e\u5bf9\u8c61\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u4e00\u4e2a\u5305\u542b\u7d22\u5f15\u548c\u5143\u7d20\u7684\u5143\u7ec4\u3002<\/p>\n<\/p>\n1. \u57fa\u672c\u7528\u6cd5<\/h3>\n<\/p>\n
enumerate<\/code>\u51fd\u6570\u53ef\u4ee5\u540c\u65f6\u83b7\u53d6\u5217\u8868\u5143\u7d20\u53ca\u5176\u7d22\u5f15\uff0c\u5e38\u7528\u4e8e\u9700\u8981\u7d22\u5f15\u7684\u5faa\u73af\u4e2d\u3002<\/p>\n<\/p>\nsome_list = ['a', 'b', 'c', 'd']<\/p>\n0 a<\/p>\nenumerate(some_list)<\/code>\u8fd4\u56de\u4e86\u4e00\u4e2a\u5305\u542b\u7d22\u5f15\u548c\u5143\u7d20\u7684\u679a\u4e3e\u5bf9\u8c61\u3002<\/p>\n<\/p>\n2. \u6307\u5b9a\u8d77\u59cb\u7d22\u5f15<\/h3>\n<\/p>\n
enumerate(iterable, start=0)<\/code>\u3002<\/p>\n<\/p>\nsome_list = ['a', 'b', 'c', 'd']<\/p>\n1 a<\/p>\nenumerate(some_list, start=1)<\/code>\u5c06\u7d22\u5f15\u7684\u8d77\u59cb\u503c\u8bbe\u4e3a1\u3002<\/p>\n<\/p>\n\u4e09\u3001\u7ef4\u62a4\u4e00\u4e2a\u8ba1\u6570\u5668\u53d8\u91cf<\/h2>\n<\/p>\n
range<\/code>\u548cenumerate<\/code>\u51fd\u6570\u76f4\u89c2\uff0c\u4f46\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u63d0\u4f9b\u66f4\u5927\u7684\u7075\u6d3b\u6027\u3002<\/p>\n<\/p>\n1. \u57fa\u672c\u7528\u6cd5<\/h3>\n<\/p>\n
counter = 0<\/p>\n2. \u5728for\u5faa\u73af\u4e2d\u4f7f\u7528<\/h3>\n<\/p>\n
range<\/code>\u51fd\u6570\uff0c\u4f46\u4e5f\u53ef\u4ee5\u5728for\u5faa\u73af\u4e2d\u624b\u52a8\u7ef4\u62a4\u4e00\u4e2a\u8ba1\u6570\u5668\u53d8\u91cf\u3002<\/p>\n<\/p>\ncounter = 0<\/p>\n3. \u7075\u6d3b\u5e94\u7528<\/h3>\n<\/p>\n
counter = 0<\/p>\nwhile True<\/code>\u5faa\u73af\u548c\u4e00\u4e2a\u8ba1\u6570\u5668\u53d8\u91cf\u6765\u63a7\u5236\u5faa\u73af\u6b21\u6570\u3002\u5728\u8ba1\u6570\u5668\u8fbe\u523010\u65f6\uff0c\u4f7f\u7528break<\/code>\u8bed\u53e5\u7ec8\u6b62\u5faa\u73af\u3002<\/p>\n<\/p>\n\u56db\u3001\u4f7f\u7528
len<\/code> \u51fd\u6570\u786e\u5b9a\u5faa\u73af\u6b21\u6570<\/h2>\n<\/p>\nlen<\/code>\u51fd\u6570\u6765\u786e\u5b9a\u5faa\u73af\u6b21\u6570\u3002<\/p>\n<\/p>\n1. \u5728for\u5faa\u73af\u4e2d\u4f7f\u7528<\/h3>\n<\/p>\n
len<\/code>\u51fd\u6570\u83b7\u53d6\u5217\u8868\u7684\u957f\u5ea6\uff0c\u5e76\u4f7f\u7528range<\/code>\u51fd\u6570\u751f\u6210\u76f8\u5e94\u7684\u6570\u5b57\u5e8f\u5217\uff0c\u53ef\u4ee5\u786e\u5b9a\u5faa\u73af\u7684\u6b21\u6570\u3002<\/p>\n<\/p>\nsome_list = ['a', 'b', 'c', 'd']<\/p>\n0 a<\/p>\nlen(some_list)<\/code>\u8fd4\u56de\u4e86\u5217\u8868\u7684\u957f\u5ea64\uff0crange(len(some_list))<\/code>\u751f\u6210\u4e86\u4e00\u4e2a\u4ece0\u52303\u7684\u6570\u5b57\u5e8f\u5217\u3002<\/p>\n<\/p>\n2. \u5728while\u5faa\u73af\u4e2d\u4f7f\u7528<\/h3>\n<\/p>\n
len<\/code>\u51fd\u6570\u83b7\u53d6\u5217\u8868\u7684\u957f\u5ea6\uff0c\u5e76\u4f7f\u7528\u8ba1\u6570\u5668\u53d8\u91cf\u6765\u63a7\u5236while\u5faa\u73af\u7684\u6b21\u6570\u3002<\/p>\n<\/p>\nsome_list = ['a', 'b', 'c', 'd']<\/p>\n0 a<\/p>\n3. \u7ed3\u5408\u5176\u4ed6\u6761\u4ef6<\/h3>\n<\/p>\n
some_list = ['a', 'b', 'c', 'd']<\/p>\n0 a<\/p>\n\u4e94\u3001\u7ed3\u5408\u5176\u4ed6\u63a7\u5236\u7ed3\u6784<\/h2>\n<\/p>\n
1. \u5d4c\u5957\u5faa\u73af<\/h3>\n<\/p>\n
for i in range(3):<\/p>\ni: 0, j: 0<\/p>\n2. \u6761\u4ef6\u8bed\u53e5<\/h3>\n<\/p>\n
for i in range(10):<\/p>\n1<\/p>\ncontinue<\/code>\uff09\uff0c\u5728\u9047\u52307\u65f6\u7ec8\u6b62\u5faa\u73af\uff08break<\/code>\uff09\u3002<\/p>\n<\/p>\n3. \u7ed3\u5408\u51fd\u6570<\/h3>\n<\/p>\n
def process_items(items):<\/p>\n0 a<\/p>\n\u516d\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u793a\u4f8b<\/h2>\n<\/p>\n
1. \u904d\u5386\u6587\u4ef6\u4e2d\u7684\u884c<\/h3>\n<\/p>\n
enumerate<\/code>\u51fd\u6570\u83b7\u53d6\u884c\u53f7\u548c\u884c\u5185\u5bb9\u3002<\/p>\n<\/p>\nwith open('example.txt', 'r') as file:<\/p>\n2. \u5904\u7406\u5927\u6570\u636e\u96c6<\/h3>\n<\/p>\n
range<\/code>\u51fd\u6570\u548clen<\/code>\u51fd\u6570\u63a7\u5236\u5faa\u73af\u6b21\u6570\u3002<\/p>\n<\/p>\ndata = [i for i in range(1000000)]<\/p>\n3. \u52a8\u6001\u751f\u6210\u5185\u5bb9<\/h3>\n<\/p>\n
def generate_numbers(n):<\/p>\n4. \u591a\u7ebf\u7a0b\u5904\u7406<\/h3>\n<\/p>\n
import threading<\/p>\nworker<\/code>\u51fd\u6570\u3002<\/p>\n<\/p>\n5. \u56fe\u5f62\u7528\u6237\u754c\u9762<\/h3>\n<\/p>\n
import tkinter as tk<\/p>\n