{"id":1109274,"date":"2025-01-08T17:08:32","date_gmt":"2025-01-08T09:08:32","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1109274.html"},"modified":"2025-01-08T17:08:36","modified_gmt":"2025-01-08T09:08:36","slug":"%e5%a6%82%e4%bd%95%e7%94%a8python%e8%ae%a1%e7%ae%971%e5%88%b0100%e7%9a%84%e7%b4%af%e5%8a%a0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1109274.html","title":{"rendered":"\u5982\u4f55\u7528python\u8ba1\u7b971\u5230100\u7684\u7d2f\u52a0"},"content":{"rendered":"

\"\u5982\u4f55\u7528python\u8ba1\u7b971\u5230100\u7684\u7d2f\u52a0\"<\/p>\n

\u4f7f\u7528Python\u8ba1\u7b971\u5230100\u7684\u7d2f\u52a0<\/strong>\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\uff0c\u5305\u62ec\u4f7f\u7528\u5faa\u73af\u3001\u5185\u7f6e\u51fd\u6570\u4ee5\u53ca\u6570\u5b66\u516c\u5f0f\u7b49\u3002\u5faa\u73af\u3001\u5185\u7f6e\u51fd\u6570sum()\u3001\u9ad8\u6548\u7684\u6570\u5b66\u516c\u5f0f<\/strong>\uff0c\u8fd9\u4e09\u79cd\u65b9\u6cd5\u90fd\u662f\u6709\u6548\u7684\u3002\u8ba9\u6211\u4eec\u8be6\u7ec6\u63cf\u8ff0\u5176\u4e2d\u4e00\u79cd\u65b9\u6cd5\uff0c\u5373\u4f7f\u7528Python\u4e2d\u7684\u5185\u7f6e\u51fd\u6570sum()\u6765\u8ba1\u7b971\u5230100\u7684\u7d2f\u52a0\u3002<\/p>\n<\/p>\n

\u4f7f\u7528\u5185\u7f6e\u51fd\u6570sum()\uff0c\u53ef\u4ee5\u907f\u514d\u624b\u52a8\u7f16\u5199\u5faa\u73af\u4ee3\u7801\uff0c\u4f7f\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u548c\u6613\u8bfb\u3002\u5177\u4f53\u5b9e\u73b0\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n

result = sum(range(1, 101))<\/p>\n
print(result)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0crange(1, 101)<\/code>\u751f\u6210\u4e86\u4e00\u4e2a\u4ece1\u5230100\u7684\u6574\u6570\u5e8f\u5217\uff08\u6ce8\u610f\uff0crange<\/code>\u51fd\u6570\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u6392\u4ed6\u7684\uff0c\u6240\u4ee5\u8981\u5199\u6210101\uff09\uff0c\u7136\u540e\u4f7f\u7528sum()<\/code>\u51fd\u6570\u5bf9\u8fd9\u4e2a\u5e8f\u5217\u6c42\u548c\uff0c\u6700\u7ec8\u5f97\u5230\u7ed3\u679c5050\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u4f7f\u7528for\u5faa\u73af\u8ba1\u7b97\u7d2f\u52a0<\/h2>\n<\/p>\n
\u4f7f\u7528for<\/code>\u5faa\u73af\u662f\u6700\u76f4\u89c2\u7684\u65b9\u6cd5\u4e4b\u4e00\uff0c\u9002\u5408Python\u521d\u5b66\u8005\u7406\u89e3\u548c\u4f7f\u7528\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u904d\u53861\u5230100\u7684\u6240\u6709\u6574\u6570\u5e76\u5c06\u5b83\u4eec\u7d2f\u52a0\u8d77\u6765\u3002<\/p>\n<\/p>\n
total = 0<\/p>\n
for i in range(1, 101):<\/p>\n
    total += i<\/p>\n
print(total)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u53d8\u91cftotal<\/code>\u6765\u5b58\u50a8\u7d2f\u52a0\u7684\u7ed3\u679c\u3002\u901a\u8fc7for<\/code>\u5faa\u73af\u904d\u53861\u5230100\u7684\u6240\u6709\u6574\u6570\uff0c\u5e76\u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\u5c06\u5f53\u524d\u7684\u6574\u6570\u52a0\u5230total<\/code>\u4e2d\u3002\u5faa\u73af\u7ed3\u675f\u540e\uff0ctotal<\/code>\u4e2d\u5b58\u50a8\u7684\u5c31\u662f1\u5230100\u7684\u7d2f\u52a0\u7ed3\u679c\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528while\u5faa\u73af\u8ba1\u7b97\u7d2f\u52a0<\/h2>\n<\/p>\n
\u9664\u4e86for<\/code>\u5faa\u73af\uff0cwhile<\/code>\u5faa\u73af\u4e5f\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u5faa\u73af\u7ed3\u6784\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528while<\/code>\u5faa\u73af\u6765\u5b9e\u73b0\u76f8\u540c\u7684\u529f\u80fd\u3002<\/p>\n<\/p>\n
total = 0<\/p>\n
i = 1<\/p>\n
while i <= 100:<\/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\uff0c\u6211\u4eec\u4f7f\u7528while<\/code>\u5faa\u73af\u904d\u53861\u5230100\u7684\u6240\u6709\u6574\u6570\u3002\u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\uff0c\u5c06\u5f53\u524d\u7684\u6574\u6570\u52a0\u5230total<\/code>\u4e2d\uff0c\u5e76\u5c06\u8ba1\u6570\u5668\u53d8\u91cfi<\/code>\u52a01\u3002\u5faa\u73af\u7ed3\u675f\u540e\uff0ctotal<\/code>\u4e2d\u5b58\u50a8\u7684\u5c31\u662f1\u5230100\u7684\u7d2f\u52a0\u7ed3\u679c\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u6570\u5b66\u516c\u5f0f\u8ba1\u7b97\u7d2f\u52a0<\/h2>\n<\/p>\n
\u5229\u7528\u6570\u5b66\u516c\u5f0f\u53ef\u4ee5\u5feb\u901f\u8ba1\u7b971\u5230100\u7684\u7d2f\u52a0\u3002\u7b49\u5dee\u6570\u5217\u6c42\u548c\u516c\u5f0f\u662f\uff1a<\/p>\n<\/p>\n
[ S = \\frac{n(n + 1)}{2} ]<\/p>\n<\/p>\n
\u5176\u4e2d\uff0cn<\/code>\u662f\u6570\u5217\u7684\u6700\u540e\u4e00\u4e2a\u6570\u3002\u5728\u8fd9\u91cc\uff0cn<\/code>\u4e3a100\u3002\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u8be5\u516c\u5f0f\u6765\u8ba1\u7b97\u7d2f\u52a0\u7ed3\u679c\u3002<\/p>\n<\/p>\n
n = 100<\/p>\n
total = n * (n + 1) \/\/ 2<\/p>\n
print(total)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u76f4\u63a5\u4f7f\u7528\u4e86\u7b49\u5dee\u6570\u5217\u6c42\u548c\u516c\u5f0f\u6765\u8ba1\u7b971\u5230100\u7684\u7d2f\u52a0\u7ed3\u679c\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u9700\u8981\u5faa\u73af\uff0c\u8ba1\u7b97\u901f\u5ea6\u66f4\u5feb\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528\u9012\u5f52\u8ba1\u7b97\u7d2f\u52a0<\/h2>\n<\/p>\n
\u9012\u5f52\u662f\u4e00\u79cd\u51fd\u6570\u8c03\u7528\u81ea\u8eab\u7684\u7f16\u7a0b\u6280\u5de7\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u9012\u5f52\u6765\u5b9e\u73b01\u5230100\u7684\u7d2f\u52a0\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(100)<\/p>\n
print(total)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u9012\u5f52\u51fd\u6570recursive_sum<\/code>\u3002\u5982\u679c\u53c2\u6570n<\/code>\u4e3a1\uff0c\u5219\u8fd4\u56de1\uff1b\u5426\u5219\uff0c\u8fd4\u56den<\/code>\u52a0\u4e0arecursive_sum(n - 1)<\/code>\u7684\u7ed3\u679c\u3002\u8fd9\u6837\u9012\u5f52\u8c03\u7528\u81ea\u8eab\uff0c\u76f4\u5230n<\/code>\u4e3a1\u65f6\u7ed3\u675f\u9012\u5f52\u3002\u6700\u7ec8\u5f97\u52301\u5230100\u7684\u7d2f\u52a0\u7ed3\u679c\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570sum()\u8ba1\u7b97\u7d2f\u52a0<\/h2>\n<\/p>\n
Python\u5185\u7f6e\u7684sum()<\/code>\u51fd\u6570\u53ef\u4ee5\u76f4\u63a5\u5bf9\u4e00\u4e2a\u5e8f\u5217\u8fdb\u884c\u6c42\u548c\u3002\u7ed3\u5408range()<\/code>\u51fd\u6570\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8ba1\u7b971\u5230100\u7684\u7d2f\u52a0\u3002<\/p>\n<\/p>\n
total = sum(range(1, 101))<\/p>\n
print(total)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0crange(1, 101)<\/code>\u751f\u6210\u4e00\u4e2a\u4ece1\u5230100\u7684\u6574\u6570\u5e8f\u5217\uff0csum()<\/code>\u51fd\u6570\u5bf9\u8be5\u5e8f\u5217\u8fdb\u884c\u6c42\u548c\uff0c\u5f97\u52301\u5230100\u7684\u7d2f\u52a0\u7ed3\u679c\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u6d01\u9ad8\u6548\uff0c\u975e\u5e38\u9002\u5408Python\u7f16\u7a0b\u3002<\/p>\n<\/p>\n
\u516d\u3001\u4f7f\u7528NumPy\u5e93\u8ba1\u7b97\u7d2f\u52a0<\/h2>\n<\/p>\n
NumPy\u662fPython\u4e2d\u7684\u4e00\u4e2a\u79d1\u5b66\u8ba1\u7b97\u5e93\uff0c\u63d0\u4f9b\u4e86\u8bb8\u591a\u9ad8\u6548\u7684\u6570\u5b66\u8fd0\u7b97\u51fd\u6570\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528NumPy\u6765\u8ba1\u7b971\u5230100\u7684\u7d2f\u52a0\u3002<\/p>\n<\/p>\n
import numpy as np<\/p>\n
total = np.sum(np.arange(1, 101))<\/p>\n
print(total)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5bfc\u5165NumPy\u5e93\uff0c\u7136\u540e\u4f7f\u7528np.arange(1, 101)<\/code>\u751f\u6210\u4e00\u4e2a\u4ece1\u5230100\u7684\u6574\u6570\u6570\u7ec4\uff0c\u6700\u540e\u4f7f\u7528np.sum()<\/code>\u5bf9\u6570\u7ec4\u8fdb\u884c\u6c42\u548c\uff0c\u5f97\u52301\u5230100\u7684\u7d2f\u52a0\u7ed3\u679c\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528reduce\u51fd\u6570\u8ba1\u7b97\u7d2f\u52a0<\/h2>\n<\/p>\n
reduce()<\/code>\u51fd\u6570\u662fPython\u4e2d\u7684\u4e00\u4e2a\u9ad8\u9636\u51fd\u6570\uff0c\u53ef\u4ee5\u5bf9\u4e00\u4e2a\u5e8f\u5217\u8fdb\u884c\u7d2f\u79ef\u64cd\u4f5c\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528reduce()<\/code>\u51fd\u6570\u6765\u8ba1\u7b971\u5230100\u7684\u7d2f\u52a0\u3002<\/p>\n<\/p>\n
from functools import reduce<\/p>\n
total = reduce(lambda x, y: x + y, range(1, 101))<\/p>\n
print(total)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4ecefunctools<\/code>\u6a21\u5757\u5bfc\u5165reduce()<\/code>\u51fd\u6570\uff0c\u7136\u540e\u4f7f\u7528reduce()<\/code>\u51fd\u6570\u5bf9range(1, 101)<\/code>\u751f\u6210\u7684\u5e8f\u5217\u8fdb\u884c\u7d2f\u52a0\u64cd\u4f5c\uff0c\u6700\u7ec8\u5f97\u52301\u5230100\u7684\u7d2f\u52a0\u7ed3\u679c\u3002<\/p>\n<\/p>\n
\u603b\u7ed3<\/h2>\n<\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u51e0\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u7075\u6d3b\u5730\u9009\u62e9\u9002\u5408\u81ea\u5df1\u7684\u65b9\u5f0f\u6765\u8ba1\u7b971\u5230100\u7684\u7d2f\u52a0\u3002\u4f7f\u7528for\u5faa\u73af\u3001while\u5faa\u73af\u3001\u6570\u5b66\u516c\u5f0f\u3001\u9012\u5f52\u3001\u5185\u7f6e\u51fd\u6570sum()\u3001NumPy\u5e93\u3001reduce\u51fd\u6570<\/strong>\u7b49\u65b9\u5f0f\uff0c\u5404\u6709\u4f18\u7f3a\u70b9\u3002\u5bf9\u4e8e\u521d\u5b66\u8005\uff0c\u53ef\u4ee5\u9009\u62e9for<\/code>\u5faa\u73af\u548csum()<\/code>\u51fd\u6570\u6765\u5b9e\u73b0\uff1b\u5bf9\u4e8e\u6709\u4e00\u5b9a\u7f16\u7a0b\u7ecf\u9a8c\u7684\u5f00\u53d1\u8005\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u4f7f\u7528\u9012\u5f52\u548c\u9ad8\u9636\u51fd\u6570reduce()<\/code>\u7b49\u65b9\u5f0f\u6765\u5b9e\u73b0\u3002\u4e0d\u540c\u7684\u65b9\u6cd5\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u573a\u666f\u548c\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6267\u884c\u6548\u7387\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u4f7f\u7528Python\u8fdb\u884c\u7b80\u5355\u7684\u7d2f\u52a0\u8fd0\u7b97\uff1f<\/strong>
\u4f7f\u7528Python\u8fdb\u884c\u7d2f\u52a0\u8fd0\u7b97\u975e\u5e38\u7b80\u5355\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684sum()<\/code>\u51fd\u6570\u7ed3\u5408range()<\/code>\u51fd\u6570\u6765\u8ba1\u7b971\u5230100\u7684\u7d2f\u52a0\u3002\u4f8b\u5982\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
result = sum(range(1, 101))\nprint(result)\n<\/code><\/pre>\n
\u8fd9\u6837\u53ef\u4ee5\u5feb\u901f\u5f97\u52301\u5230100\u7684\u548c\uff0c\u7ed3\u679c\u662f5050\u3002<\/p>\n
\u5728Python\u4e2d\uff0c\u662f\u5426\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u8ba1\u7b97\u7d2f\u52a0\uff1f<\/strong>
\u9664\u4e86\u4f7f\u7528sum()<\/code>\u548crange()<\/code>\uff0c\u4f60\u8fd8\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af\u6765\u8fdb\u884c\u7d2f\u52a0\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528for<\/code>\u5faa\u73af\u7684\u793a\u4f8b\uff1a<\/p>\n
total = 0\nfor number in range(1, 101):\n    total += number\nprint(total)\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u4ee3\u7801\u7a0d\u957f\uff0c\u4f46\u5bf9\u4e8e\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u6709\u52a9\u4e8e\u7406\u89e3\u7d2f\u52a0\u7684\u8fc7\u7a0b\u3002<\/p>\n
\u4e3a\u4ec0\u4e48\u9009\u62e9Python\u6765\u8fdb\u884c\u6570\u5b66\u8fd0\u7b97\uff1f<\/strong>
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