{"id":940274,"date":"2024-12-26T20:56:51","date_gmt":"2024-12-26T12:56:51","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/940274.html"},"modified":"2024-12-26T20:56:53","modified_gmt":"2024-12-26T12:56:53","slug":"python%e5%a6%82%e4%bd%95%e7%ae%97%e7%b4%af%e5%8a%a0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/940274.html","title":{"rendered":"python\u5982\u4f55\u7b97\u7d2f\u52a0"},"content":{"rendered":"

\"python\u5982\u4f55\u7b97\u7d2f\u52a0\"<\/p>\n

\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u6765\u8ba1\u7b97\u7d2f\u52a0\uff0c\u5305\u62ec\u4f7f\u7528for\u5faa\u73af\u3001while\u5faa\u73af\u3001\u9012\u5f52\u51fd\u6570\u3001\u5185\u7f6e\u51fd\u6570sum()\u7b49\u3002\u8fd9\u91cc\u6211\u4eec\u4e3b\u8981\u8ba8\u8bba\u4f7f\u7528for\u5faa\u73af\u6765\u5b9e\u73b0\u7d2f\u52a0\u3002<\/strong><\/p>\n<\/p>\n

\u4f7f\u7528for\u5faa\u73af\u8ba1\u7b97\u7d2f\u52a0\u662f\u6700\u76f4\u89c2\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002\u901a\u8fc7\u904d\u5386\u4e00\u4e2a\u6570\u5217\uff0c\u5c06\u6bcf\u4e2a\u6570\u52a0\u5230\u4e00\u4e2a\u7d2f\u52a0\u5668\u53d8\u91cf\u4e0a\uff0c\u6700\u7ec8\u5f97\u5230\u7d2f\u52a0\u548c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u8981\u8ba1\u7b971\u523010\u7684\u7d2f\u52a0\u548c\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n

total = 0<\/p>\n
for i in range(1, 11):<\/p>\n
    total += i<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0ctotal<\/code>\u662f\u4e00\u4e2a\u7d2f\u52a0\u5668\u53d8\u91cf\uff0c\u521d\u59cb\u503c\u4e3a0\u3002range(1, 11)<\/code>\u751f\u6210\u4e00\u4e2a\u4ece1\u523010\u7684\u6574\u6570\u5e8f\u5217\uff0cfor<\/code>\u5faa\u73af\u904d\u5386\u8fd9\u4e9b\u6574\u6570\uff0c\u5c06\u6bcf\u4e2a\u6574\u6570\u52a0\u5230total<\/code>\u4e0a\uff0c\u6700\u7ec8total<\/code>\u5c31\u5b58\u50a8\u4e861\u523010\u7684\u7d2f\u52a0\u548c\u3002<\/p>\n<\/p>\n
\n
\u4e00\u3001PYTHON\u4e2d\u7d2f\u52a0\u7684\u57fa\u672c\u65b9\u6cd5<\/h2>\n<\/p>\n
1. \u4f7f\u7528for\u5faa\u73af<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0cfor\u5faa\u73af\u662f\u5b9e\u73b0\u7d2f\u52a0\u7684\u5e38\u7528\u65b9\u6cd5\u3002\u901a\u8fc7\u904d\u5386\u4e00\u4e2a\u6570\u5217\uff0c\u5c06\u6bcf\u4e2a\u6570\u4f9d\u6b21\u52a0\u5230\u4e00\u4e2a\u7d2f\u52a0\u5668\u53d8\u91cf\u4e0a\u3002<\/p>\n<\/p>\n
total = 0<\/p>\n
for i in range(1, 11):<\/p>\n
    total += i<\/p>\n
print(total)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0crange(1, 11)<\/code>\u751f\u6210\u4e86\u4e00\u4e2a\u4ece1\u523010\u7684\u6574\u6570\u5e8f\u5217<\/strong>\uff0c\u6bcf\u6b21\u5faa\u73af\u5c06\u5f53\u524d\u6574\u6570\u52a0\u5230total<\/code>\u53d8\u91cf\u4e0a\uff0c\u6700\u7ec8\u5f97\u5230\u7d2f\u52a0\u548c\u3002<\/p>\n<\/p>\n
2. \u4f7f\u7528while\u5faa\u73af<\/h3>\n<\/p>\n
\u9664\u4e86for\u5faa\u73af\uff0cwhile\u5faa\u73af\u4e5f\u53ef\u4ee5\u7528\u4e8e\u7d2f\u52a0\u3002\u76f8\u8f83\u4e8efor\u5faa\u73af\uff0cwhile\u5faa\u73af\u66f4\u7075\u6d3b\uff0c\u4f46\u9700\u8981\u624b\u52a8\u63a7\u5236\u5faa\u73af\u53d8\u91cf\u3002<\/p>\n<\/p>\n
total = 0<\/p>\n
i = 1<\/p>\n
while i <= 10:<\/p>\n
    total += i<\/p>\n
    i += 1<\/p>\n
print(total)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0ci<\/code>\u662f\u5faa\u73af\u53d8\u91cf\uff0c\u521d\u59cb\u503c\u4e3a1\u3002\u6bcf\u6b21\u5faa\u73af\u5c06i<\/code>\u52a0\u5230total<\/code>\u4e0a\uff0c\u5e76\u5c06i<\/code>\u9012\u589e1\uff0c\u76f4\u5230i<\/code>\u5927\u4e8e10\u65f6\u7ed3\u675f\u5faa\u73af\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u548c\u5176\u4ed6\u65b9\u6cd5<\/h2>\n<\/p>\n
1. \u4f7f\u7528sum()\u51fd\u6570<\/h3>\n<\/p>\n
Python\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5185\u7f6e\u51fd\u6570sum()<\/code>\uff0c\u53ef\u4ee5\u7528\u4e8e\u8ba1\u7b97\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u7d2f\u52a0\u548c\uff0c\u5982\u5217\u8868\u3001\u5143\u7ec4\u7b49\u3002<\/p>\n<\/p>\n
numbers = range(1, 11)<\/p>\n
total = sum(numbers)<\/p>\n
print(total)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528sum()<\/code>\u51fd\u6570\u53ef\u4ee5\u5927\u5927\u7b80\u5316\u4ee3\u7801<\/strong>\uff0c\u4e0d\u9700\u8981\u663e\u5f0f\u5730\u4f7f\u7528\u5faa\u73af\uff0c\u76f4\u63a5\u8ba1\u7b97\u51fa\u7d2f\u52a0\u548c\u3002<\/p>\n<\/p>\n
2. \u4f7f\u7528\u9012\u5f52\u51fd\u6570<\/h3>\n<\/p>\n
\u9012\u5f52\u662f\u4e00\u79cd\u7f16\u7a0b\u6280\u5de7\uff0c\u901a\u8fc7\u51fd\u6570\u81ea\u8eab\u7684\u8c03\u7528\u6765\u89e3\u51b3\u95ee\u9898\u3002\u5bf9\u4e8e\u7d2f\u52a0\u95ee\u9898\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u9012\u5f52\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
def recursive_sum(n):<\/p>\n
    if n == 1:<\/p>\n
        return 1<\/p>\n
    else:<\/p>\n
        return n + recursive_sum(n - 1)<\/p>\n
total = recursive_sum(10)<\/p>\n
print(total)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u9012\u5f52\u51fd\u6570\u4e2d\uff0crecursive_sum<\/code>\u51fd\u6570\u8c03\u7528\u81ea\u8eab\u6765\u8ba1\u7b97n<\/code>\u52301\u7684\u7d2f\u52a0\u548c\u3002\u9012\u5f52\u7684\u7ec8\u6b62\u6761\u4ef6\u662fn<\/code>\u7b49\u4e8e1\u65f6\uff0c\u8fd4\u56de1\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u7d2f\u52a0\u7684\u5e94\u7528\u573a\u666f<\/h2>\n<\/p>\n
1. \u8ba1\u7b97\u6570\u7ec4\u5143\u7d20\u4e4b\u548c<\/h3>\n<\/p>\n
\u5728\u6570\u636e\u5904\u7406\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u8ba1\u7b97\u4e00\u4e2a\u6570\u7ec4\u6216\u5217\u8868\u4e2d\u6240\u6709\u5143\u7d20\u7684\u548c\u3002\u65e0\u8bba\u662f\u7528for\u5faa\u73af\u8fd8\u662fsum()\u51fd\u6570\uff0c\u90fd\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
data = [23, 45, 12, 67, 34]<\/p>\n
total = sum(data)<\/p>\n
print(total)<\/p>\n
<\/code><\/pre>\n<\/p>\n
2. \u7d2f\u52a0\u5668\u5728\u7edf\u8ba1\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n
\u7d2f\u52a0\u5668\u5728\u7edf\u8ba1\u5b66\u4e2d\u5177\u6709\u5e7f\u6cdb\u5e94\u7528\uff0c\u6bd4\u5982\u8ba1\u7b97\u5e73\u5747\u503c\u3001\u65b9\u5dee\u7b49\u3002\u5728\u8ba1\u7b97\u5e73\u5747\u503c\u65f6\uff0c\u53ef\u4ee5\u5148\u8ba1\u7b97\u6240\u6709\u6570\u7684\u7d2f\u52a0\u548c\uff0c\u518d\u9664\u4ee5\u6570\u7684\u4e2a\u6570\u3002<\/p>\n<\/p>\n
data = [23, 45, 12, 67, 34]<\/p>\n
total = sum(data)<\/p>\n
average = total \/ len(data)<\/p>\n
print(average)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u7d2f\u52a0\u7684\u6027\u80fd\u4f18\u5316<\/h2>\n<\/p>\n
1. \u4f7f\u7528\u751f\u6210\u5668<\/h3>\n<\/p>\n
\u5728\u5904\u7406\u5927\u6570\u636e\u96c6\u65f6\uff0c\u4f7f\u7528\u751f\u6210\u5668\u53ef\u4ee5\u6709\u6548\u8282\u7701\u5185\u5b58\u3002\u751f\u6210\u5668\u5728\u6bcf\u6b21\u8fed\u4ee3\u65f6\u751f\u6210\u4e00\u4e2a\u503c\uff0c\u800c\u4e0d\u662f\u5c06\u6240\u6709\u503c\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\u3002<\/p>\n<\/p>\n
def generate_numbers(n):<\/p>\n
    for i in range(1, n + 1):<\/p>\n
        yield i<\/p>\n
total = sum(generate_numbers(1000000))<\/p>\n
print(total)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cgenerate_numbers<\/code>\u51fd\u6570\u662f\u4e00\u4e2a\u751f\u6210\u5668\u51fd\u6570\uff0c\u4f7f\u7528yield<\/code>\u5173\u952e\u5b57\u9010\u4e2a\u751f\u6210\u6570\u503c<\/strong>\u3002\u8fd9\u6837\u53ef\u4ee5\u5728\u8ba1\u7b97\u7d2f\u52a0\u548c\u65f6\u8282\u7701\u5185\u5b58\u3002<\/p>\n<\/p>\n
2. \u5e76\u884c\u8ba1\u7b97<\/h3>\n<\/p>\n
\u5bf9\u4e8e\u975e\u5e38\u5927\u7684\u6570\u636e\u96c6\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5e76\u884c\u8ba1\u7b97\u7684\u65b9\u6cd5\u6765\u63d0\u9ad8\u6548\u7387\u3002Python\u7684multiprocessing<\/code>\u6a21\u5757\u53ef\u4ee5\u5b9e\u73b0\u5e76\u884c\u8ba1\u7b97\u3002<\/p>\n<\/p>\n
import multiprocessing<\/p>\n
def partial_sum(start, end):<\/p>\n
    return sum(range(start, end))<\/p>\n
if __name__ == "__mAI<\/a>n__":<\/p>\n
    pool = multiprocessing.Pool(processes=4)<\/p>\n
    results = [pool.apply_async(partial_sum, args=(i, i + 250000)) for i in range(0, 1000000, 250000)]<\/p>\n
    total = sum([result.get() for result in results])<\/p>\n
    print(total)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06\u7d2f\u52a0\u4efb\u52a1\u5206\u6210\u591a\u4e2a\u90e8\u5206\uff0c\u6bcf\u4e2a\u90e8\u5206\u5728\u5355\u72ec\u7684\u8fdb\u7a0b\u4e2d\u8ba1\u7b97\uff0c\u7136\u540e\u5408\u5e76\u7ed3\u679c<\/strong>\u3002\u8fd9\u6837\u53ef\u4ee5\u5145\u5206\u5229\u7528\u591a\u6838CPU\u7684\u4f18\u52bf\uff0c\u63d0\u9ad8\u8ba1\u7b97\u6548\u7387\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u603b\u7ed3\u4e0e\u5efa\u8bae<\/h2>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u8ba1\u7b97\u7d2f\u52a0\u7684\u65b9\u5f0f\u591a\u79cd\u591a\u6837\uff0c\u5305\u62ecfor\u5faa\u73af\u3001while\u5faa\u73af\u3001\u9012\u5f52\u3001sum()\u51fd\u6570\u7b49\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u6570\u636e\u89c4\u6a21\u3002\u5728\u5904\u7406\u5c0f\u89c4\u6a21\u6570\u636e\u65f6\uff0c\u4f7f\u7528for\u5faa\u73af\u6216sum()\u51fd\u6570\u662f\u7b80\u5355\u800c\u9ad8\u6548\u7684\u9009\u62e9\uff1b\u800c\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u65f6\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u751f\u6210\u5668\u548c\u5e76\u884c\u8ba1\u7b97\u6765\u4f18\u5316\u6027\u80fd\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u52a1\u5fc5\u6839\u636e\u9700\u8981\u548c\u6027\u80fd\u8981\u6c42\uff0c\u9009\u62e9\u6700\u9002\u5408\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u7d2f\u52a0\u8fd0\u7b97\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u7d2f\u52a0\u8fd0\u7b97\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\u3002\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u4f7f\u7528for<\/code>\u5faa\u73af\u6765\u904d\u5386\u4e00\u4e2a\u6570\u5b57\u5e8f\u5217\uff0c\u5e76\u9010\u6b65\u5c06\u6bcf\u4e2a\u6570\u5b57\u76f8\u52a0\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528range()<\/code>\u51fd\u6570\u751f\u6210\u4e00\u4e2a\u6570\u5b57\u5e8f\u5217\uff0c\u7136\u540e\u5229\u7528\u5faa\u73af\u5c06\u8fd9\u4e9b\u6570\u5b57\u76f8\u52a0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
total = 0\nfor i in range(1, 11):  # \u8ba1\u7b971\u523010\u7684\u7d2f\u52a0\u548c\n    total += i\nprint(total)  # \u8f93\u51fa\u7ed3\u679c55\n<\/code><\/pre>\n
\u53e6\u5916\uff0c\u4f7f\u7528\u5185\u7f6e\u51fd\u6570sum()<\/code>\u4e5f\u80fd\u8f7b\u677e\u5b9e\u73b0\u7d2f\u52a0\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
total = sum(range(1, 11))  # \u76f4\u63a5\u8ba1\u7b971\u523010\u7684\u7d2f\u52a0\u548c\nprint(total)  # \u8f93\u51fa\u7ed3\u679c55\n<\/code><\/pre>\n
\u5728Python\u4e2d\u5982\u4f55\u5904\u7406\u5927\u6570\u5b57\u7684\u7d2f\u52a0\uff1f<\/strong>
\u5904\u7406\u5927\u6570\u5b57\u65f6\uff0cPython\u7684int<\/code>\u7c7b\u578b\u80fd\u591f\u81ea\u52a8\u6269\u5c55\uff0c\u56e0\u6b64\u53ef\u4ee5\u5b89\u5168\u5730\u8fdb\u884c\u5927\u6570\u7d2f\u52a0\u3002\u4f7f\u7528for<\/code>\u5faa\u73af\u6216sum()<\/code>\u51fd\u6570\u540c\u6837\u9002\u7528\u3002\u4e3a\u4e86\u907f\u514d\u6027\u80fd\u95ee\u9898\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u6765\u51cf\u5c11\u5185\u5b58\u5360\u7528\uff0c\u4f8b\u5982\uff1a<\/p>\n
total = sum(i for i in range(1, 10**6))  # \u7d2f\u52a01\u52301000000\nprint(total)\n<\/code><\/pre>\n
\u662f\u5426\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570\u6765\u5b9e\u73b0\u7d2f\u52a0\uff1f<\/strong>
\u5f53\u7136\u53ef\u4ee5\uff01\u4f7f\u7528\u51fd\u6570\u5c01\u88c5\u7d2f\u52a0\u903b\u8f91\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u91cd\u7528\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5b9a\u4e49\u4e86\u4e00\u4e2a\u7d2f\u52a0\u51fd\u6570\uff1a<\/p>\n
def accumulate(n):\n    return sum(range(1, n + 1))\n\nresult = accumulate(10)  # \u7d2f\u52a01\u523010\nprint(result)  # \u8f93\u51fa\u7ed3\u679c55\n<\/code><\/pre>\n
\u8fd9\u4e2a\u51fd\u6570\u63a5\u53d7\u4e00\u4e2a\u53c2\u6570n<\/code>\uff0c\u5e76\u8fd4\u56de\u4ece1\u5230n<\/code>\u7684\u7d2f\u52a0\u548c\u3002\u901a\u8fc7\u51fd\u6570\u8c03\u7528\uff0c\u53ef\u4ee5\u5feb\u901f\u8ba1\u7b97\u4e0d\u540c\u8303\u56f4\u5185\u7684\u7d2f\u52a0\u548c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u6765\u8ba1\u7b97\u7d2f\u52a0\uff0c\u5305\u62ec\u4f7f\u7528for\u5faa\u73af\u3001while\u5faa\u73af\u3001\u9012\u5f52\u51fd\u6570\u3001\u5185\u7f6e\u51fd\u6570sum() […]","protected":false},"author":3,"featured_media":940279,"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\/940274"}],"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=940274"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/940274\/revisions"}],"predecessor-version":[{"id":940280,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/940274\/revisions\/940280"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/940279"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=940274"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=940274"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=940274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}