def remote_source_tencent(symbol: str, interval: str, start_datetime: pd.Timestamp, end_datetime: pd.Timestamp): qtype = "day" if "d" in interval else interval interval = "day" if "d" in interval else interval codes = symbol.split(".",1) ..

# -*- coding:utf8 -*-shape={ 0:[(0,0),(1,0),(1,1),(1,2)], 1:[(0,0),(0,1),(1,0),(1,1),(1,2)], 2:[(0,0),(1,0),(1,1),(1,2),(1,3)], 3:[(0,1),(1,0),(1,1),(1,2),(1,3)], ...

https://leetcode.com/problems/longest-palindromic-substring/#/descriptionclass Solution(object): def palindrome(self, s, centpos): ind0=0 while True: if centpos-ind

https://leetcode.com/problems/merge-k-sorted-lists/#/descriptionclass Solution(object): def mergeKLists(self, lists): """ :type lists: List[ListNode] :rtype: ListNode

https://leetcode.com/problems/swap-nodes-in-pairs/#/description# Definition for singly-linked list.# class ListNode(object):# def __init__(self, x):# self.val = x# self.nex

https://leetcode.com/problems/reverse-nodes-in-k-group/#/descriptionclass Solution(object): def reverseNode(self, nodes, k): for ind in xrange(k): node = nodes

https://leetcode.com/problems/remove-duplicates-from-sorted-array/#/descriptionclass Solution(object): def removeDuplicates(self, nums): """ :type nums: List[int] :rtyp

https://leetcode.com/problems/remove-element/#/descriptionclass Solution(object): def removeElement(self, nums, val): """ :type nums: List[int] :type val: int :

https://leetcode.com/submissions/detail/75938758/class Solution(object): def convert(self, s, numRows): """ :type s: str :type numRows: int :rtype: str

https://leetcode.com/problems/reverse-integer/#/descriptionclass Solution(object): def reverse(self, x): """ :type x: int :rtype: int """ sign=x<0

https://leetcode.com/problems/string-to-integer-atoi/#/descriptionclass Solution(object): def myAtoi(self, str): """ :type str: str :rtype: int """

class Solution(object): def isPalindrome(self, x): """ :type x: int :rtype: bool """ if x<0: return False base=1 while x>=base*10:

https://leetcode.com/problems/regular-expression-matching/#/descriptionclass Solution(object): def isMatch(self, s, p): """ :type s: str :type p: str :rtype: bo

https://leetcode.com/problems/integer-to-roman/#/descriptionclass Solution(object): def intToRoman(self, num): """ :type num: int :rtype: str """

https://leetcode.com/problems/container-with-most-water/#/descriptionclass Solution(object): def maxArea(self, height): """ :type height: List[int] :rtype: int

https://leetcode.com/problems/substring-with-concatenation-of-all-words/#/descriptionclass Solution(object): def matchstr(self, p0, p1, wordsind, wlen, posmap): wv={} for w in

https://leetcode.com/problems/roman-to-integer/#/descriptionclass Solution(object): def romanToInt(self, s): """ :type s: str :rtype: int """ romanMap =

https://leetcode.com/problems/longest-common-prefix/#/descriptionclass Solution(object): def longestCommonPrefix(self, strs): """ :type strs: List[str] :rtype: str

https://leetcode.com/problems/3sum/#/descriptionclass Solution(object): def match(self, nums, ind0): ind1=ind0+1 ind2=len(nums)-1 res=[] while ind1ind1:

https://leetcode.com/problems/3sum-closest/#/descriptionclass Solution(object): def match(self, nums, ind0, target, res): ind1=ind0+1 ind2=len(nums)-1 minv=abs(target-r

https://leetcode.com/problems/letter-combinations-of-a-phone-number/#/descriptionclass Solution(object): def letterCombinations(self, digits): """ :type digits: str :rt

https://leetcode.com/problems/4sum/#/descriptionclass Solution(object): def twoSum(self, nums, target, v): ind=0 ind2=len(nums)-1 res=[] while ind<ind2:

https://leetcode.com/problems/remove-nth-node-from-end-of-list/#/description# Definition for singly-linked list.# class ListNode(object):# def __init__(self, x):# self.val = x#

https://leetcode.com/problems/next-permutation/#/descriptionclass Solution(object): def nextPermutation(self, nums): """ :type nums: List[int] :rtype: void Do not retur

https://leetcode.com/problems/valid-parentheses/#/descriptionclass Solution(object): def isValid(self, s): """ :type s: str :rtype: bool """ stab='(){}[

https://leetcode.com/problems/merge-two-sorted-lists/#/description# Definition for singly-linked list.# class ListNode(object):# def __init__(self, x):# self.val = x# self.

https://leetcode.com/problems/implement-strstr/#/descriptionclass Solution(object): def kmpTab(self, needle): nlen = len(needle) tab = [0]*nlen j = 0 for i

https://leetcode.com/problems/divide-two-integers/#/descriptionclass Solution(object): def divide(self, dividend, divisor): """ :type dividend: int :type divisor: int

class Solution(object): def generateParenthesis(self, n): """ :type n: int :rtype: List[str] """ if n<1: return [] braces=set() braces.add('

https://leetcode.com/problems/search-in-rotated-sorted-array/description/class Solution(object): def search(self, nums, target): """ :type nums: List[int] :type target:

https://leetcode.com/problems/search-for-a-range/description/class Solution(object): def searchRange(self, nums, target): """ :type nums: List[int] :type target: int

https://leetcode.com/problems/search-insert-position/description/class Solution(object): def searchInsert(self, nums, target): """ :type nums: List[int] :type target: i

https://leetcode.com/problems/longest-valid-parentheses/#/descriptionclass Solution(object): def longestValidParentheses(self, s): """ :type s: str :rtype: ins

https://leetcode.com/problems/valid-sudoku/description/测试用例少量未通过，分析原因，本程序判断条件更严格，有些明显存在矛盾填写方式，被认定非法数独，所以不认为是错误。class Solution(object): def isValidSudoku(self, board): """ :ty

1，下载TIMIT语料库，解压，全部目录，文件变小写，按照NLTK要求，修改所有根目录下的.txt配置文件2，安装必要python库：nltk， librosa，numpy，catboost3,  实现训练过程，原理：TIMIT中wav格式并非标准RIFF格式，好在格式简单，每个文件头占1024字节，文本格式，剩下的是pcm raw data，录制格式是单声道，16bit 16KHz，安装

class Solution(object): def isValidSudoku(self, board): """ :type board: List[List[str]] :rtype: bool """ box={} box2={} runloop=False ...

import mathclass Solution(object): def mask(self, box, i, j): v=(1<<9)-1 for i0 in xrange((i/3)*3, (i/3)*3+3): for j0 in xrange((j/3)*3, (j/3)*3+3): ...

class Solution(object): def swap(self, items, ind, i, j): tmp=items[i] items[i]=items[j] items[j]=tmp tmp=ind[i] ind[i]=ind[j] ind[j]=tmp def q...

class Solution(object): def multiply(self, num1, num2): """ :type num1: str :type num2: str :rtype: str """ resv=[] p1=((len(num1)+3)/4)*4...

class Solution(object): def countAndSay(self, n): """ :type n: int :rtype: str """ if n==1: return "1" ret=self.countAndSay(n-1) lastc=0 ...