10. TypeError: strptime() argument 1 must be str, not datetime.datetime 11. RecursionError: maximum recursion depth exceeded while calling a Python object 12. ImportError: attempted relative import with no known parent package 13. RuntimeError: The session is unavailable because no secret key was...
maxDepth = 0 firstStr = myTree.keys()[0] secondDict = myTree[firstStr] for key in secondDict.keys(): if type(secondDict[key]).__name__=='dict':#test to see if the nodes are dictonaires, if not they are leaf nodes thisDepth = 1 + getTreeDepth(secondDict[key]) else: this...
if thisDepth > maxDepth: maxDepth = thisDepth return maxDepth 我们可以看到两个方法有点似曾相识,没错,我们在进行决策树分类测试时,用的跟这个几乎一样,分类测试中的isinstance函数换了一种方式去判断,递归依然在,不过是每递归依次,高度增加1,叶子数同样是检测是否为字典,不是字典则增加相应的分支。 这里还写...
from functools import lru_cache @lru_cache(maxsize=None) def fib(n): return n if n < 2 else fib(n-2) + fib(n-1) Recursion depth is limited to 1000 by default. To increase it use 'sys.setrecursionlimit(<depth>)'. Parametrized Decorator A decorator that accepts arguments and returns...
Fix RuntimeError: maximum recursion depth exceeded in cmp happened (#343) [Kazuaki Matsuo] fix maximum recursion depth exceeded in sub classes add docstring add comparison of a number of commands use issubclass to ensure the class is subOther...
left), maxDepth(root.right)) + 1 19 求两棵树是否相同 def isSameTree(p, q): if p == None and q == None: return True elif p and q : return p.val == q.val and isSameTree(p.left,q.left) and isSameTree(p.right,q.right) else : return False 20 前序中序求后序 ...
To clear stored values run 'fib.cache_clear()', or use '@lru_cache(maxsize=<int>)' decorator instead. CPython interpreter limits recursion depth to 3000 by default. To increase it run 'sys.setrecursionlimit(<int>)'.Parametrized DecoratorA decorator that accepts arguments and returns a ...
OpenMaya.MItDag.depth (1) OpenMaya.MItDag.fullPathName (1) OpenMaya.MItDag.getAllPaths (1) OpenMaya.MItDag.getPath (2) OpenMaya.MItDag.instanceCount (1) OpenMaya.MItDag.isDone (1) OpenMaya.MItDag.isInstanced (2) OpenMaya.MItDag.next (1) OpenMaya.MItDag.partialPathName (1) Open...
def maxDepth(root): if not root: return 0 return max(maxDepth(root.left), maxDepth(root.right)) + 1 19 求两棵树是否相同 def isSameTree(p, q): if p == None and q == None: return True elif p and q : return p.val == q.val and isSameTree(p.left,q.left) and isSame...
python运行机制 当python代码运行时,会将代码转成一堆的字节指令,然后通过PyEval_EvalFrame函数执行里面的内容,源码如下: // ~/Python/ceval.c// python代码执行的入口函数PyObject*PyEval_EvalFrame(PyFrameObject*f){// 传入一个栈帧对象,并传入PyEval_EvalFrameEx函数执行returnPyEval_EvalFrameEx(f,0);}PyOb...