{"id":1185372,"date":"2025-01-15T19:39:21","date_gmt":"2025-01-15T11:39:21","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1185372.html"},"modified":"2025-01-15T19:39:35","modified_gmt":"2025-01-15T11:39:35","slug":"cm%e5%9c%a8python%e4%b8%ad%e5%a6%82%e4%bd%95%e5%ae%9a%e4%b9%89","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1185372.html","title":{"rendered":"cm\u5728python\u4e2d\u5982\u4f55\u5b9a\u4e49"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25134522\/b8431173-f306-4128-982e-2a1b78bec0ab.webp\" alt=\"cm\u5728python\u4e2d\u5982\u4f55\u5b9a\u4e49\" \/><\/p>\n<p><p> \u5728Python\u4e2d\uff0c<strong>cm\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9a\u4e49<\/strong>\uff0c\u4f8b\u5982\u4f7f\u7528\u53d8\u91cf\u3001\u7c7b\u3001\u51fd\u6570\u4ee5\u53ca\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\uff08context manager\uff09\u7b49\u3002\u5728\u672c\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba\u5982\u4f55\u5728Python\u4e2d\u5b9a\u4e49cm\uff0c\u5e76\u8be6\u7ec6\u4ecb\u7ecd\u5176\u4e2d\u7684\u4e00\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528\u53d8\u91cf\u5b9a\u4e49cm<\/h3>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u53d8\u91cf\u6765\u5b9a\u4e49\u5398\u7c73\uff08cm\uff09\u7684\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">cm = 1<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u7b80\u5355\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u80fd\u4f1a\u663e\u5f97\u8fc7\u4e8e\u57fa\u7840\u4e14\u4e0d\u592a\u5b9e\u7528\u3002\u66f4\u5e38\u89c1\u7684\u505a\u6cd5\u662f\u901a\u8fc7\u51fd\u6570\u6216\u7c7b\u6765\u8fdb\u884c\u66f4\u590d\u6742\u7684\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u4f7f\u7528\u51fd\u6570\u5b9a\u4e49cm<\/h3>\n<\/p>\n<p><p>\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u6765\u8f6c\u6362\u5398\u7c73\uff08cm\uff09\u4e3a\u5176\u4ed6\u5355\u4f4d\u662f\u4e00\u79cd\u66f4\u7075\u6d3b\u7684\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def cm_to_inches(cm):<\/p>\n<p>    return cm \/ 2.54<\/p>\n<p>def cm_to_meters(cm):<\/p>\n<p>    return cm \/ 100<\/p>\n<p>def cm_to_feet(cm):<\/p>\n<p>    return cm \/ 30.48<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u8ba9\u4f60\u8f7b\u677e\u8f6c\u6362\u5398\u7c73\u5230\u5176\u4ed6\u5355\u4f4d\uff0c\u9002\u7528\u4e8e\u9700\u8981\u8fdb\u884c\u5355\u4f4d\u8f6c\u6362\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528\u7c7b\u5b9a\u4e49cm<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7\u7c7b\u5b9a\u4e49\u5398\u7c73\uff08cm\uff09\u53ef\u4ee5\u63d0\u4f9b\u66f4\u591a\u7684\u529f\u80fd\u548c\u7075\u6d3b\u6027\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u6765\u8868\u793a\u957f\u5ea6\uff0c\u5e76\u63d0\u4f9b\u591a\u79cd\u5355\u4f4d\u8f6c\u6362\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class Length:<\/p>\n<p>    def __init__(self, cm):<\/p>\n<p>        self.cm = cm<\/p>\n<p>    def to_inches(self):<\/p>\n<p>        return self.cm \/ 2.54<\/p>\n<p>    def to_meters(self):<\/p>\n<p>        return self.cm \/ 100<\/p>\n<p>    def to_feet(self):<\/p>\n<p>        return self.cm \/ 30.48<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f7f\u7528\u8fd9\u4e2a\u7c7b\uff0c\u53ef\u4ee5\u8f7b\u677e\u521b\u5efa\u4e00\u4e2a\u957f\u5ea6\u5bf9\u8c61\uff0c\u5e76\u8fdb\u884c\u591a\u79cd\u5355\u4f4d\u8f6c\u6362\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">length = Length(100)<\/p>\n<p>print(length.to_inches())  # \u8f93\u51fa\uff1a39.37007874015748<\/p>\n<p>print(length.to_meters())  # \u8f93\u51fa\uff1a1.0<\/p>\n<p>print(length.to_feet())    # \u8f93\u51fa\uff1a3.280839895013123<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u66f4\u5177\u6a21\u5757\u5316\u548c\u53ef\u6269\u5c55\u6027\uff0c\u9002\u5408\u9700\u8981\u5904\u7406\u591a\u79cd\u957f\u5ea6\u5355\u4f4d\u7684\u590d\u6742\u5e94\u7528\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u4f7f\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u5b9a\u4e49cm<\/h3>\n<\/p>\n<p><p>Python\u7684\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\uff08context manager\uff09\u53ef\u4ee5\u7528\u4e8e\u5b9a\u4e49\u548c\u7ba1\u7406\u8d44\u6e90\u3002\u901a\u8fc7\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\uff0c\u53ef\u4ee5\u786e\u4fdd\u5728\u7279\u5b9a\u4ee3\u7801\u5757\u6267\u884c\u524d\u540e\u6267\u884c\u4e00\u4e9b\u64cd\u4f5c\u3002\u867d\u7136\u8fd9\u4e0d\u662f\u5b9a\u4e49cm\u7684\u5e38\u89c4\u65b9\u6cd5\uff0c\u4f46\u5728\u67d0\u4e9b\u573a\u666f\u4e0b\u53ef\u80fd\u4f1a\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from contextlib import contextmanager<\/p>\n<p>@contextmanager<\/p>\n<p>def cm_manager(cm):<\/p>\n<p>    try:<\/p>\n<p>        yield cm<\/p>\n<p>    finally:<\/p>\n<p>        print(f&quot;Length in cm: {cm}&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f7f\u7528\u8fd9\u4e2a\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\uff0c\u53ef\u4ee5\u5728with\u8bed\u53e5\u4e2d\u5b9a\u4e49\u548c\u4f7f\u7528cm\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with cm_manager(100) as cm:<\/p>\n<p>    inches = cm \/ 2.54<\/p>\n<p>    meters = cm \/ 100<\/p>\n<p>    print(f&quot;Length in inches: {inches}&quot;)<\/p>\n<p>    print(f&quot;Length in meters: {meters}&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u786e\u4fdd\u5728\u6267\u884c\u5b8c\u7279\u5b9a\u4ee3\u7801\u5757\u540e\u6267\u884c\u4e00\u4e9b\u6536\u5c3e\u64cd\u4f5c\uff0c\u4f8b\u5982\u8bb0\u5f55\u65e5\u5fd7\u6216\u91ca\u653e\u8d44\u6e90\u3002<\/p>\n<\/p>\n<p><h3>\u8be6\u7ec6\u4ecb\u7ecd\uff1a\u4f7f\u7528\u7c7b\u5b9a\u4e49cm<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528\u7c7b\u5b9a\u4e49\u5398\u7c73\uff08cm\uff09\u662f\u4e00\u79cd\u975e\u5e38\u7075\u6d3b\u4e14\u5f3a\u5927\u7684\u65b9\u6cd5\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u7c7b\u6765\u5b9a\u4e49\u548c\u64cd\u4f5ccm\uff0c\u5305\u62ec\u521d\u59cb\u5316\u3001\u5355\u4f4d\u8f6c\u6362\u3001\u8fd0\u7b97\u7b26\u91cd\u8f7d\u7b49\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u521d\u59cb\u5316\u548c\u57fa\u672c\u5355\u4f4d\u8f6c\u6362<\/h4>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u6211\u4eec\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u6765\u8868\u793a\u957f\u5ea6\uff0c\u5e76\u63d0\u4f9b\u57fa\u672c\u7684\u5355\u4f4d\u8f6c\u6362\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class Length:<\/p>\n<p>    def __init__(self, cm):<\/p>\n<p>        self.cm = cm<\/p>\n<p>    def to_inches(self):<\/p>\n<p>        return self.cm \/ 2.54<\/p>\n<p>    def to_meters(self):<\/p>\n<p>        return self.cm \/ 100<\/p>\n<p>    def to_feet(self):<\/p>\n<p>        return self.cm \/ 30.48<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f7f\u7528\u8fd9\u4e2a\u7c7b\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u8fdb\u884c\u5398\u7c73\u5230\u5176\u4ed6\u5355\u4f4d\u7684\u8f6c\u6362\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">length = Length(100)<\/p>\n<p>print(length.to_inches())  # \u8f93\u51fa\uff1a39.37007874015748<\/p>\n<p>print(length.to_meters())  # \u8f93\u51fa\uff1a1.0<\/p>\n<p>print(length.to_feet())    # \u8f93\u51fa\uff1a3.280839895013123<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2\u3001\u6dfb\u52a0\u66f4\u591a\u5355\u4f4d\u8f6c\u6362\u65b9\u6cd5<\/h4>\n<\/p>\n<p><p>\u6211\u4eec\u53ef\u4ee5\u6269\u5c55\u8fd9\u4e2a\u7c7b\uff0c\u6dfb\u52a0\u66f4\u591a\u7684\u5355\u4f4d\u8f6c\u6362\u65b9\u6cd5\uff0c\u4f8b\u5982\u6beb\u7c73\uff08mm\uff09\u3001\u5343\u7c73\uff08km\uff09\u7b49\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class Length:<\/p>\n<p>    def __init__(self, cm):<\/p>\n<p>        self.cm = cm<\/p>\n<p>    def to_inches(self):<\/p>\n<p>        return self.cm \/ 2.54<\/p>\n<p>    def to_meters(self):<\/p>\n<p>        return self.cm \/ 100<\/p>\n<p>    def to_feet(self):<\/p>\n<p>        return self.cm \/ 30.48<\/p>\n<p>    def to_millimeters(self):<\/p>\n<p>        return self.cm * 10<\/p>\n<p>    def to_kilometers(self):<\/p>\n<p>        return self.cm \/ 100000<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8fdb\u884c\u66f4\u591a\u7684\u5355\u4f4d\u8f6c\u6362\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">length = Length(100)<\/p>\n<p>print(length.to_millimeters())  # \u8f93\u51fa\uff1a1000<\/p>\n<p>print(length.to_kilometers())   # \u8f93\u51fa\uff1a0.001<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3\u3001\u8fd0\u7b97\u7b26\u91cd\u8f7d<\/h4>\n<\/p>\n<p><p>\u4e3a\u4e86\u4f7f\u8fd9\u4e2a\u7c7b\u66f4\u6613\u7528\uff0c\u6211\u4eec\u53ef\u4ee5\u91cd\u8f7d\u8fd0\u7b97\u7b26\uff0c\u4f7f\u5f97\u4e0d\u540c\u957f\u5ea6\u5bf9\u8c61\u4e4b\u95f4\u53ef\u4ee5\u8fdb\u884c\u52a0\u51cf\u8fd0\u7b97\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class Length:<\/p>\n<p>    def __init__(self, cm):<\/p>\n<p>        self.cm = cm<\/p>\n<p>    def __add__(self, other):<\/p>\n<p>        return Length(self.cm + other.cm)<\/p>\n<p>    def __sub__(self, other):<\/p>\n<p>        return Length(self.cm - other.cm)<\/p>\n<p>    def __str__(self):<\/p>\n<p>        return f&quot;{self.cm} cm&quot;<\/p>\n<p>    def to_inches(self):<\/p>\n<p>        return self.cm \/ 2.54<\/p>\n<p>    def to_meters(self):<\/p>\n<p>        return self.cm \/ 100<\/p>\n<p>    def to_feet(self):<\/p>\n<p>        return self.cm \/ 30.48<\/p>\n<p>    def to_millimeters(self):<\/p>\n<p>        return self.cm * 10<\/p>\n<p>    def to_kilometers(self):<\/p>\n<p>        return self.cm \/ 100000<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f7f\u7528\u8fd0\u7b97\u7b26\u91cd\u8f7d\uff0c\u53ef\u4ee5\u8f7b\u677e\u8fdb\u884c\u957f\u5ea6\u5bf9\u8c61\u7684\u52a0\u51cf\u8fd0\u7b97\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">length1 = Length(100)<\/p>\n<p>length2 = Length(50)<\/p>\n<p>length3 = length1 + length2<\/p>\n<p>length4 = length1 - length2<\/p>\n<p>print(length3)  # \u8f93\u51fa\uff1a150 cm<\/p>\n<p>print(length4)  # \u8f93\u51fa\uff1a50 cm<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>4\u3001\u5355\u4f4d\u8f6c\u6362\u8fd0\u7b97\u7b26\u91cd\u8f7d<\/h4>\n<\/p>\n<p><p>\u9664\u4e86\u57fa\u672c\u7684\u52a0\u51cf\u8fd0\u7b97\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u91cd\u8f7d\u5176\u4ed6\u8fd0\u7b97\u7b26\uff0c\u4f8b\u5982\u76f8\u7b49\u6bd4\u8f83\uff08==\uff09\u3001\u5927\u4e8e\uff08&gt;\uff09\u3001\u5c0f\u4e8e\uff08&lt;\uff09\u7b49\uff0c\u4f7f\u5f97\u957f\u5ea6\u5bf9\u8c61\u5728\u6bd4\u8f83\u65f6\u66f4\u52a0\u76f4\u89c2\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class Length:<\/p>\n<p>    def __init__(self, cm):<\/p>\n<p>        self.cm = cm<\/p>\n<p>    def __add__(self, other):<\/p>\n<p>        return Length(self.cm + other.cm)<\/p>\n<p>    def __sub__(self, other):<\/p>\n<p>        return Length(self.cm - other.cm)<\/p>\n<p>    def __eq__(self, other):<\/p>\n<p>        return self.cm == other.cm<\/p>\n<p>    def __lt__(self, other):<\/p>\n<p>        return self.cm &lt; other.cm<\/p>\n<p>    def __gt__(self, other):<\/p>\n<p>        return self.cm &gt; other.cm<\/p>\n<p>    def __str__(self):<\/p>\n<p>        return f&quot;{self.cm} cm&quot;<\/p>\n<p>    def to_inches(self):<\/p>\n<p>        return self.cm \/ 2.54<\/p>\n<p>    def to_meters(self):<\/p>\n<p>        return self.cm \/ 100<\/p>\n<p>    def to_feet(self):<\/p>\n<p>        return self.cm \/ 30.48<\/p>\n<p>    def to_millimeters(self):<\/p>\n<p>        return self.cm * 10<\/p>\n<p>    def to_kilometers(self):<\/p>\n<p>        return self.cm \/ 100000<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f7f\u7528\u8fd9\u4e9b\u91cd\u8f7d\u8fd0\u7b97\u7b26\uff0c\u53ef\u4ee5\u8fdb\u884c\u66f4\u76f4\u89c2\u7684\u957f\u5ea6\u6bd4\u8f83\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">length1 = Length(100)<\/p>\n<p>length2 = Length(50)<\/p>\n<p>print(length1 == length2)  # \u8f93\u51fa\uff1aFalse<\/p>\n<p>print(length1 &gt; length2)   # \u8f93\u51fa\uff1aTrue<\/p>\n<p>print(length1 &lt; length2)   # \u8f93\u51fa\uff1aFalse<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>5\u3001\u9759\u6001\u65b9\u6cd5\u548c\u7c7b\u65b9\u6cd5<\/h4>\n<\/p>\n<p><p>\u6211\u4eec\u8fd8\u53ef\u4ee5\u6dfb\u52a0\u4e00\u4e9b\u9759\u6001\u65b9\u6cd5\u548c\u7c7b\u65b9\u6cd5\uff0c\u4ee5\u63d0\u4f9b\u66f4\u7075\u6d3b\u7684\u521b\u5efa\u548c\u8f6c\u6362\u65b9\u5f0f\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u6dfb\u52a0\u4e00\u4e2a\u7c7b\u65b9\u6cd5\u6765\u4ece\u82f1\u5bf8\u521b\u5efa\u957f\u5ea6\u5bf9\u8c61\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class Length:<\/p>\n<p>    def __init__(self, cm):<\/p>\n<p>        self.cm = cm<\/p>\n<p>    @classmethod<\/p>\n<p>    def from_inches(cls, inches):<\/p>\n<p>        return cls(inches * 2.54)<\/p>\n<p>    def __add__(self, other):<\/p>\n<p>        return Length(self.cm + other.cm)<\/p>\n<p>    def __sub__(self, other):<\/p>\n<p>        return Length(self.cm - other.cm)<\/p>\n<p>    def __eq__(self, other):<\/p>\n<p>        return self.cm == other.cm<\/p>\n<p>    def __lt__(self, other):<\/p>\n<p>        return self.cm &lt; other.cm<\/p>\n<p>    def __gt__(self, other):<\/p>\n<p>        return self.cm &gt; other.cm<\/p>\n<p>    def __str__(self):<\/p>\n<p>        return f&quot;{self.cm} cm&quot;<\/p>\n<p>    def to_inches(self):<\/p>\n<p>        return self.cm \/ 2.54<\/p>\n<p>    def to_meters(self):<\/p>\n<p>        return self.cm \/ 100<\/p>\n<p>    def to_feet(self):<\/p>\n<p>        return self.cm \/ 30.48<\/p>\n<p>    def to_millimeters(self):<\/p>\n<p>        return self.cm * 10<\/p>\n<p>    def to_kilometers(self):<\/p>\n<p>        return self.cm \/ 100000<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f7f\u7528\u7c7b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4ece\u82f1\u5bf8\u521b\u5efa\u957f\u5ea6\u5bf9\u8c61\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">length = Length.from_inches(39.37007874015748)<\/p>\n<p>print(length)  # \u8f93\u51fa\uff1a100.0 cm<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>6\u3001\u603b\u7ed3<\/h4>\n<\/p>\n<p><p>\u901a\u8fc7\u4f7f\u7528\u7c7b\u5b9a\u4e49\u5398\u7c73\uff08cm\uff09\uff0c\u53ef\u4ee5\u63d0\u4f9b\u7075\u6d3b\u4e14\u5f3a\u5927\u7684\u529f\u80fd\uff0c\u5305\u62ec\u591a\u79cd\u5355\u4f4d\u8f6c\u6362\u3001\u8fd0\u7b97\u7b26\u91cd\u8f7d\u4ee5\u53ca\u9759\u6001\u65b9\u6cd5\u548c\u7c7b\u65b9\u6cd5\u3002\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u9002\u5408\u5904\u7406\u590d\u6742\u7684\u957f\u5ea6\u8ba1\u7b97\u548c\u8f6c\u6362\u9700\u6c42\u3002<\/p>\n<\/p>\n<p><p>\u603b\u4e4b\uff0c\u5728Python\u4e2d\u5b9a\u4e49cm\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff0c\u5305\u62ec\u53d8\u91cf\u3001\u51fd\u6570\u3001\u7c7b\u4ee5\u53ca\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u3002<strong>\u4f7f\u7528\u7c7b\u5b9a\u4e49cm\u662f\u4e00\u79cd\u975e\u5e38\u7075\u6d3b\u4e14\u5f3a\u5927\u7684\u65b9\u6cd5<\/strong>\uff0c\u53ef\u4ee5\u63d0\u4f9b\u591a\u79cd\u5355\u4f4d\u8f6c\u6362\u548c\u8fd0\u7b97\u529f\u80fd\uff0c\u9002\u5408\u5904\u7406\u590d\u6742\u7684\u957f\u5ea6\u8ba1\u7b97\u548c\u8f6c\u6362\u9700\u6c42\u3002\u901a\u8fc7\u5408\u7406\u7684\u8bbe\u8ba1\u548c\u5b9e\u73b0\uff0c\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u6a21\u5757\u5316\u548c\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5728Python\u4e2d\u5982\u4f55\u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cfcm\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u8d4b\u503c\u8bed\u53e5\u6765\u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528<code>cm = 10<\/code>\u6765\u5b9a\u4e49\u4e00\u4e2a\u540d\u4e3acm\u7684\u53d8\u91cf\uff0c\u5e76\u5c06\u5176\u503c\u8bbe\u7f6e\u4e3a10\u3002\u60a8\u53ef\u4ee5\u6839\u636e\u9700\u8981\u66f4\u6539\u503c\uff0c\u4f8b\u5982<code>cm = cm + 5<\/code>\uff0c\u8fd9\u4f1a\u5c06cm\u7684\u503c\u589e\u52a05\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528cm\u8fdb\u884c\u5355\u4f4d\u8f6c\u6362\uff1f<\/strong><br \/>\u5982\u679c\u60a8\u5e0c\u671b\u5c06cm\uff08\u5398\u7c73\uff09\u8f6c\u6362\u4e3a\u5176\u4ed6\u5355\u4f4d\uff0c\u4f8b\u5982\u7c73\u6216\u82f1\u5bf8\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u7b80\u5355\u7684\u6570\u5b66\u8fd0\u7b97\u3002\u4f8b\u5982\uff0c\u8981\u5c06\u5398\u7c73\u8f6c\u6362\u4e3a\u7c73\uff0c\u53ef\u4ee5\u4f7f\u7528\u516c\u5f0f<code>meters = cm \/ 100<\/code>\u3002\u7c7b\u4f3c\u5730\uff0c\u5c06\u5398\u7c73\u8f6c\u6362\u4e3a\u82f1\u5bf8\u53ef\u4ee5\u4f7f\u7528<code>inches = cm \/ 2.54<\/code>\uff0c\u8fd9\u5c06\u5398\u7c73\u503c\u8f6c\u6362\u4e3a\u82f1\u5bf8\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u51fd\u6570\u6765\u5904\u7406cm\u7684\u8ba1\u7b97\uff1f<\/strong><br \/>\u60a8\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u6765\u5904\u7406\u4e0ecm\u76f8\u5173\u7684\u8ba1\u7b97\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u63a5\u53d7\u5398\u7c73\u503c\u5e76\u8fd4\u56de\u5176\u5bf9\u5e94\u7684\u7c73\u548c\u82f1\u5bf8\uff1a  <\/p>\n<pre><code class=\"language-python\">def convert_cm(cm):\n    meters = cm \/ 100\n    inches = cm \/ 2.54\n    return meters, inches\n<\/code><\/pre>\n<p>\u8c03\u7528\u8be5\u51fd\u6570\u65f6\uff0c\u53ea\u9700\u4f20\u5165\u5398\u7c73\u503c\uff0c\u4f8b\u5982<code>convert_cm(10)<\/code>\uff0c\u5b83\u5c06\u8fd4\u56de10\u5398\u7c73\u5bf9\u5e94\u7684\u7c73\u548c\u82f1\u5bf8\u503c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0ccm\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9a\u4e49\uff0c\u4f8b\u5982\u4f7f\u7528\u53d8\u91cf\u3001\u7c7b\u3001\u51fd\u6570\u4ee5\u53ca\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\uff08context manag [&hellip;]","protected":false},"author":3,"featured_media":1185392,"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\/1185372"}],"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=1185372"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1185372\/revisions"}],"predecessor-version":[{"id":1185393,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1185372\/revisions\/1185393"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1185392"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1185372"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1185372"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1185372"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}