Python19-lambda表达式学习.ipynb

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    "#Lambda是一种匿名函数，\n",
    "#当我们需要重复调用某一函数，又不想写那么多代码时可以使用lambda表达式来代替。\n",
    "#通用格式：lambda argument: manipulate(argument)"
   ]
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   "source": [
    "#实例\n",
    "add=lambda x,y:x+y\n",
    "add(3,5)"
   ]
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   "source": [
    "#计算三个数的和\n",
    "f=lambda x,y,z:x+y+z\n",
    "f(1,2,3)"
   ]
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     "text": [
      "[(13, -3), (4, 1), (1, 2), (9, 10)]\n"
     ]
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   "source": [
    "#排序\n",
    "a=[(1,2),(4,1),(9,10),(13,-3)]\n",
    "a.sort(key=lambda x:x[1])\n",
    "print(a)"
   ]
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