{"id":5378,"date":"2022-04-02T20:38:46","date_gmt":"2022-04-02T12:38:46","guid":{"rendered":"https:\/\/egonlin.com\/?p=5378"},"modified":"2022-04-02T20:38:46","modified_gmt":"2022-04-02T12:38:46","slug":"06-07-%e7%bb%84%e5%90%88%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b%e5%b0%8f%e7%bb%93","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=5378","title":{"rendered":"06-07 \u7ec4\u5408\u6570\u636e\u7c7b\u578b\u5c0f\u7ed3"},"content":{"rendered":"<h1>\u4e00\u3001\u6570\u5b57\u7c7b\u578b\u53ca\u64cd\u4f5c<\/h1>\n<ul>\n<li>\u6574\u6570\u7c7b\u578b\u7684\u65e0\u9650\u8303\u56f4\u53ca4\u79cd\u8fdb\u5236\u8868\u793a<\/li>\n<li>\u6d6e\u70b9\u6570\u7c7b\u578b\u7684\u8fd1\u4f3c\u65e0\u9650\u8303\u56f4\u3001\u5c0f\u5c3e\u6570\u53ca\u79d1\u5b66\u8ba1\u6570\u6cd5<\/li>\n<li>+\u3001-\u3001*\u3001\/\u3001\/\/\u3001%\u3001**\u3001\u4e8c\u5143\u589e\u5f3a\u8d4b\u503c\u64cd\u4f5c\u7b26<\/li>\n<li>abs()\u3001divmod()\u3001pow()\u3001round()\u3001max()\u3001min()<\/li>\n<li>int()\u3001float()\u3001complex()<\/li>\n<\/ul>\n<pre><code class=\"language-python\"># DayDayUpQ3.py\n\ndayup = 1.0\ndayfactor = 0.01\nfor i in range(365):\n    if i % 7 in [6, 0]:\n        dayup = dayup * (1 - dayfactor)\n    else:\n        dayup = dayup * (1 + dayfactor)\nprint(&quot;\u5de5\u4f5c\u65e5\u7684\u529b\u91cf\uff1a{:.2f} &quot;.format(dayup))  # \u5de5\u4f5c\u65e5\u7684\u529b\u91cf\uff1a4.63 \n\u5de5\u4f5c\u65e5\u7684\u529b\u91cf\uff1a4.63 \ndef dayUP(df):\n    dayup = 1\n    for i in range(365):\n        if i % 7 in [6, 0]:\n            dayup = dayup * (1 - 0.01)\n        else:\n            dayup = dayup * (1 + df)\n    return dayup\n\ndayfactor = 0.01\nwhile dayUP(dayfactor) &lt; 37.78:\n    dayfactor += 0.001\nprint(&quot;\u5de5\u4f5c\u65e5\u7684\u52aa\u529b\u53c2\u6570\u662f\uff1a{:.3f} &quot;.format(dayfactor))  # \u5de5\u4f5c\u65e5\u7684\u52aa\u529b\u53c2\u6570\u662f\uff1a0.019 \n\u5de5\u4f5c\u65e5\u7684\u52aa\u529b\u53c2\u6570\u662f\uff1a0.019 <\/code><\/pre>\n<h1>\u4e8c\u3001\u5b57\u7b26\u4e32\u7c7b\u578b\u53ca\u64cd\u4f5c<\/h1>\n<ul>\n<li>\u6b63\u5411\u9012\u589e\u5e8f\u53f7\u3001\u53cd\u5411\u9012\u51cf\u5e8f\u53f7\u3001&lt;\u5b57\u7b26\u4e32&gt;[M:N:K]<\/li>\n<li>+\u3001*\u3001len()\u3001str()\u3001hex()\u3001oct()\u3001ord()\u3001chr()<\/li>\n<li>.lower()\u3001.upper()\u3001.split()\u3001.count()\u3001.replace()<\/li>\n<li>.center()\u3001.strip()\u3001.join(\uff09\u3001.format()\u683c\u5f0f\u5316<\/li>\n<\/ul>\n<pre><code class=\"language-python\"># TextProBarV1.py\n\nimport time\n\nscale = 10\nprint(&quot;\u6267\u884c\u5f00\u59cb&quot;.center(scale \/\/ 2, &quot;-&quot;))\nstart = time.perf_counter()\nfor i in range(scale + 1):\n    a = &#039;*&#039; * i\n    b = &#039;.&#039; * (scale - i)\n    c = (i \/ scale) * 100\n    dur = time.perf_counter() - start\n    print(&quot;\\r{:^3.0f}%[{}-&gt;{}]{:.2f}s&quot;.format(c, a, b, dur), end=&#039;&#039;)\n    time.sleep(0.1)\nprint(&quot;\\n&quot; + &quot;\u6267\u884c\u7ed3\u675f&quot;.center(scale \/\/ 2, &#039;-&#039;))\n-\u6267\u884c\u5f00\u59cb\n100%[**********-&gt;]1.02s\n-\u6267\u884c\u7ed3\u675f<\/code><\/pre>\n<h1>\u4e09\u3001\u7a0b\u5e8f\u7684\u5206\u652f\u7ed3\u6784<\/h1>\n<ul>\n<li>\u5355\u5206\u652f <code>if<\/code> \u4e8c\u5206\u652f <code>if-else<\/code> \u53ca\u7d27\u51d1\u5f62\u5f0f<\/li>\n<li>\u591a\u5206\u652f <code>if-elif-else<\/code> \u53ca\u6761\u4ef6\u4e4b\u95f4\u5173\u7cfb<\/li>\n<li><code>not and or &gt; &gt;= == &lt;= &lt; !=<\/code><\/li>\n<li>\u5f02\u5e38\u5904\u7406 <code>try-except-else-finally<\/code><\/li>\n<\/ul>\n<pre><code class=\"language-python\"># CalBMIv3.py\n\nheight, weight = eval(input(&quot;\u8bf7\u8f93\u5165\u8eab\u9ad8(\u7c73)\u548c\u4f53\u91cd\\(\u516c\u65a4)[\u9017\u53f7\u9694\u5f00]: &quot;))\nbmi = weight \/ pow(height, 2)\nprint(&quot;BMI \u6570\u503c\u4e3a\uff1a{:.2f}&quot;.format(bmi))\nwho, nat = &quot;&quot;, &quot;&quot;\nif bmi &lt; 18.5:\n    who, nat = &quot;\u504f\u7626&quot;, &quot;\u504f\u7626&quot;\nelif 18.5 &lt;= bmi &lt; 24:\n    who, nat = &quot;\u6b63\u5e38&quot;, &quot;\u6b63\u5e38&quot;\nelif 24 &lt;= bmi &lt; 25:\n    who, nat = &quot;\u6b63\u5e38&quot;, &quot;\u504f\u80d6&quot;\nelif 25 &lt;= bmi &lt; 28:\n    who, nat = &quot;\u504f\u80d6&quot;, &quot;\u504f\u80d6&quot;\nelif 28 &lt;= bmi &lt; 30:\n    who, nat = &quot;\u504f\u80d6&quot;, &quot;\u80a5\u80d6&quot;\nelse:\n    who, nat = &quot;\u80a5\u80d6&quot;, &quot;\u80a5\u80d6&quot;\nprint(&quot;BMI \u6307\u6807\u4e3a:\u56fd\u9645&#039;{0}&#039;, \u56fd\u5185&#039;{1}&#039;&quot;.format(who, nat))\n\u8bf7\u8f93\u5165\u8eab\u9ad8(\u7c73)\u548c\u4f53\u91cd\\(\u516c\u65a4)[\u9017\u53f7\u9694\u5f00]: 1.8,70\nBMI \u6570\u503c\u4e3a\uff1a21.60\nBMI \u6307\u6807\u4e3a:\u56fd\u9645&#039;\u6b63\u5e38&#039;, \u56fd\u5185&#039;\u6b63\u5e38&#039;<\/code><\/pre>\n<h1>\u56db\u3001\u7a0b\u5e8f\u7684\u5faa\u73af\u7ed3\u6784<\/h1>\n<ul>\n<li><code>for\u2026in<\/code> \u904d\u5386\u5faa\u73af\uff1a\u8ba1\u6570\u3001\u5b57\u7b26\u4e32\u3001\u5217\u8868\u3001\u6587\u4ef6\u2026<\/li>\n<li><code>while<\/code>\u65e0\u9650\u5faa\u73af<\/li>\n<li><code>continue<\/code>\u548c<code>break<\/code>\u4fdd\u7559\u5b57\uff1a\u9000\u51fa\u5f53\u524d\u5faa\u73af\u5c42\u6b21<\/li>\n<li>\u5faa\u73afelse\u7684\u9ad8\u7ea7\u7528\u6cd5\uff1a\u4e0e<code>break<\/code>\u6709\u5173<\/li>\n<\/ul>\n<pre><code class=\"language-python\"># CalPiV2.py\n\nfrom random import random\nfrom time import perf_counter\n\nDARTS = 1000 * 1000\nhits = 0.0\nstart = perf_counter()\n\nfor i in range(1, DARTS + 1):\n    x, y = random(), random()\n    dist = pow(x**2 + y**2, 0.5)\n    if dist &lt;= 1.0:\n        hits = hits + 1\n\npi = 4 * (hits \/ DARTS)\nprint(&quot;\u5706\u5468\u7387\u503c\u662f: {}&quot;.format(pi))\nprint(&quot;\u8fd0\u884c\u65f6\u95f4\u662f: {:.5f}s&quot;.format(perf_counter() - start))\n\u5706\u5468\u7387\u503c\u662f: 3.141364\n\u8fd0\u884c\u65f6\u95f4\u662f: 0.71023s<\/code><\/pre>\n<h1>\u4e94\u3001\u4ee3\u7801\u590d\u7528\u4e0e\u51fd\u6570\u9012\u5f52<\/h1>\n<ul>\n<li>\u6a21\u5757\u5316\u8bbe\u8ba1\uff1a\u677e\u8026\u5408\u3001\u7d27\u8026\u5408<\/li>\n<li>\u51fd\u6570\u9012\u5f52\u76842\u4e2a\u7279\u5f81\uff1a\u57fa\u4f8b\u548c\u94fe\u6761<\/li>\n<li>\u51fd\u6570\u9012\u5f52\u7684\u5b9e\u73b0\uff1a\u51fd\u6570 + \u5206\u652f\u7ed3\u6784<\/li>\n<\/ul>\n<h1>\u516d\u3001\u96c6\u5408\u7c7b\u578b\u53ca\u64cd\u4f5c<\/h1>\n<ul>\n<li>\u96c6\u5408\u4f7f\u7528{}\u548cset()\u51fd\u6570\u521b\u5efa<\/li>\n<li>\u96c6\u5408\u95f4\u64cd\u4f5c\uff1a\u4ea4(&amp;)\u3001\u5e76(|)\u3001\u5dee(-)\u3001\u8865(^)\u3001\u6bd4\u8f83(&gt;=&lt;)<\/li>\n<li>\u96c6\u5408\u7c7b\u578b\u65b9\u6cd5\uff1a.add()\u3001.discard()\u3001.pop()\u7b49<\/li>\n<li>\u96c6\u5408\u7c7b\u578b\u4e3b\u8981\u5e94\u7528\u4e8e\uff1a\u5305\u542b\u5173\u7cfb\u6bd4\u8f83\u3001\u6570\u636e\u53bb\u91cd<\/li>\n<\/ul>\n<h1>\u4e03\u3001\u5e8f\u5217\u7c7b\u578b\u53ca\u64cd\u4f5c<\/h1>\n<ul>\n<li>\u5e8f\u5217\u662f\u57fa\u7c7b\u7c7b\u578b\uff0c\u6269\u5c55\u7c7b\u578b\u5305\u62ec\uff1a\u5b57\u7b26\u4e32\u3001\u5143\u7ec4\u548c\u5217\u8868<\/li>\n<li>\u5143\u7ec4\u7528()\u548ctuple()\u521b\u5efa\uff0c\u5217\u8868\u7528[]\u548cset()\u521b\u5efa<\/li>\n<li>\u5143\u7ec4\u64cd\u4f5c\u4e0e\u5e8f\u5217\u64cd\u4f5c\u57fa\u672c\u76f8\u540c<\/li>\n<li>\u5217\u8868\u64cd\u4f5c\u5728\u5e8f\u5217\u64cd\u4f5c\u57fa\u7840\u4e0a\uff0c\u589e\u52a0\u4e86\u66f4\u591a\u7684\u7075\u6d3b\u6027<\/li>\n<\/ul>\n<h1>\u516b\u3001\u5b57\u5178\u7c7b\u578b\u53ca\u64cd\u4f5c<\/h1>\n<ul>\n<li>\u6620\u5c04\u5173\u7cfb\u91c7\u7528\u952e\u503c\u5bf9\u8868\u8fbe<\/li>\n<li>\u5b57\u5178\u7c7b\u578b\u4f7f\u7528{}\u548cdict()\u521b\u5efa\uff0c\u952e\u503c\u5bf9\u4e4b\u95f4\u7528:\u5206\u9694<\/li>\n<li>d[key] \u65b9\u5f0f\u65e2\u53ef\u4ee5\u7d22\u5f15\uff0c\u4e5f\u53ef\u4ee5\u8d4b\u503c<\/li>\n<li>\u5b57\u5178\u7c7b\u578b\u6709\u4e00\u6279\u64cd\u4f5c\u65b9\u6cd5\u548c\u51fd\u6570\uff0c\u6700\u91cd\u8981\u7684\u662f.get()<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u6570\u5b57\u7c7b\u578b\u53ca\u64cd\u4f5c \u6574\u6570\u7c7b\u578b\u7684\u65e0\u9650\u8303\u56f4\u53ca4\u79cd\u8fdb\u5236\u8868\u793a \u6d6e\u70b9\u6570\u7c7b\u578b\u7684\u8fd1\u4f3c\u65e0\u9650\u8303\u56f4\u3001\u5c0f\u5c3e\u6570\u53ca\u79d1\u5b66\u8ba1\u6570\u6cd5 +\u3001-\u3001* [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":5314,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[371,377],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/5378"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5378"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/5378\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/5314"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}