{"id":172478,"date":"2022-04-13T05:05:55","date_gmt":"2022-04-12T21:05:55","guid":{"rendered":"http:\/\/www.idc.net\/help\/172478\/"},"modified":"2022-04-13T05:05:55","modified_gmt":"2022-04-12T21:05:55","slug":"%e5%90%8e%e6%b5%aa%e4%ba%91python%e6%95%99%e7%a8%8b%ef%bc%9apython3-9%e4%b8%ad%e5%ad%97%e5%85%b8%e5%90%88%e5%b9%b6%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/172478\/","title":{"rendered":"\u540e\u6d6a\u4e91Python\u6559\u7a0b\uff1apython3.9\u4e2d\u5b57\u5178\u5408\u5e76\u64cd\u4f5c"},"content":{"rendered":"

<\/span><\/p>\n

<\/p>\n

\u8bb0\u5f97\u6700\u65e9\u5b66\u4e60\u7684\u65f6\u5019\uff0c\u9047\u5230\u4e0d\u4f1a\u7684\u5b57\u90fd\u4f1a\u628a\u5b57\u5178\u627e\u51fa\u6765\u67e5\u8be2\u4e00\u4e0b\uff0c\u73b0\u5728\u6709\u4e86\u624b\u673a\u6162\u6162\u7684\u5b57\u5178\u5c31\u4e0d\u592a\u5e38\u7528\u4e86\u3002\u6211\u4eec\u4eca\u5929\u5728python\u4e2d\u8981\u8bb2\u7684\u5b57\u5178\u548c\u4e4b\u524d\u67e5\u6587\u5b57\u7684\u5b57\u5178\u662f\u4e24\u79cd\u4e1c\u897f\uff0c\u4e24\u8005\u4e4b\u95f4\u4f7f\u7528\u4e0a\u6ca1\u6709\u5173\u8054\uff0c\u6240\u4ee5\u6709\u4e9b\u5c0f\u4f19\u4f34\u53ef\u4e0d\u8981\u95f9\u51fa\u7b11\u8bdd\u5566\u3002\u4eca\u5929\u5c0f\u7f16\u5c31\u4e3a\u5927\u5bb6\u5e26\u6765\u5408\u5e76\u5b57\u5178\u7684\u4ee3\u7801\u65b9\u6cd5\uff0c\u63a5\u4e0b\u6765\u4e00\u8d77\u770b\u770b\u600e\u4e48\u505a\u5427\u3002<\/span><\/span><\/p>\n

1.\u5408\u5e76\u4e24\u4e2a\u5b57\u5178<\/span><\/strong><\/span><\/p>\n

\u4e0b\u9762\u7684\u65b9\u6cd5\u5c06\u7528\u4e8e\u5408\u5e76\u4e24\u4e2a\u5b57\u5178\u3002<\/span><\/p>\n

def merge_two_dicts(a, b):\n    c = a.copy()   # make a copy of a \n    c.update(b)    # modify keys and values of a with the ones from b\n    return c\n \n \na = { 'x': 1, 'y': 2}\nb = { 'y': 3, 'z': 4}\nprint(merge_two_dicts(a, b))\n# {'y': 3, 'x': 1, 'z': 4}<\/pre>\n
\u5728<\/span> Python 3.5 \u6216\u66f4\u9ad8\u7248\u672c\u4e2d\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u7528\u4ee5\u4e0b\u65b9\u5f0f\u5408\u5e76\u5b57\u5178\uff1a<\/span><\/p>\n
def merge_dictionaries(a, b)\n   return {**a, **b}\n \n \na = { 'x': 1, 'y': 2}\nb = { 'y': 3, 'z': 4}\nprint(merge_dictionaries(a, b))\n# {'y': 3, 'x': 1, 'z': 4}<\/pre>\n
<\/span><\/p>\n
2.\u5c06\u4e24\u4e2a\u5217\u8868\u8f6c\u5316\u4e3a\u5b57\u5178<\/strong><\/span><\/p>\n
\u5982\u4e0b\u65b9\u6cd5\u5c06\u4f1a\u628a\u4e24\u4e2a\u5217\u8868\u8f6c\u5316\u4e3a\u5355\u4e2a\u5b57\u5178\u3002<\/span><\/p>\n
def to_dictionary(keys, values):\n    return dict(zip(keys, values))\n \n \nkeys = [\"a\", \"b\", \"c\"]    \nvalues = [2, 3, 4]\nprint(to_dictionary(keys, values))\n# {'a': 2, 'c': 4, 'b': 3}<\/pre>\n
\u901a\u8fc7\u672c\u7bc7\u7684\u5b66\u4e60\u6211\u4eec\u77e5\u9053\u5b57\u5178\u662f\u53ef\u4ee5\u8fdb\u884c\u5408\u5e76\u7684\uff0c\u800c\u4e14\u5217\u8868\u662f\u53ef\u4ee5\u8f6c\u5316\u4e3a\u5b57\u5178\u7684\uff0c\u8fd9\u5c31\u662f\u5173\u4e8e\u5b57\u5178\u7684\u4e00\u4e9b\u4f7f\u7528\u65b9\u6cd5\u7684\u4ee3\u7801\uff0c\u5c0f\u4f19\u4f34\u4eec\u53ef\u4ee5\u8bd5\u7740\u7ec3\u4e60\u4e00\u4e0b\u3002\u66f4\u591aPython\u5b66\u4e60\u6307\u8def:<\/span><\/span>PyThon\u5b66\u4e60\u7f51\u6559\u5b66\u4e2d\u5fc3<\/span>\u3002
<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"
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