转为string类型str(a) ...
print('{},{}'.format('chuhao',20)) ...
defhb(list1,list2):result=[]whilelist1andlist2:iflist1[0]<list2[0]:result.append(list1[0])dellist1[0]else:result.append(list2[0])dellist2[0]i...
classSolution(object):defhb(self,list1,list2):result=[]whilelist1andlist2:iflist1[0]<list2[0]:result.append(list1[0])dellist1[0]else:result.a...
XMind8Update7Pro 邮箱：x@iroader序列号：XAka34A2rVRYJ4XBIU35UZMUEEF64CMMIYZCK2FZZUQNODEKUHGJLFMSLIQMQUCUBXRENLK6NZL37JXP4PZXQFILMQ2RG5R7G4QNDO3PSO...
classSolution(object):deftwoSum(self,nums,target):""":typenums:List[int]:typetarget:int:rtype:List[int]"""dictionary=dict()pos=0whilepos<len(...
classSolution(object):defaddTwoNumbers(self,l1,l2):l3=ListNode(0)current=l3carry=0whilel1orl2:#1,1|None,1|1,None#Pad0ifNoneifl1isNone:l1v=0else:...
classSolution(object):deflengthOfLongestSubstring(self,s):d=""f=""foriinrange(len(s)):ifs[i]notinf:f+=s[i]else:iflen(d)<len(f):d=ff=f[f.index...
#Definitionforsingly-linkedlist.classListNode(object):def__init__(self,x):self.val=xself.next=NoneclassSolution(object):defaddTwoNumbers(self,l1...
classSolution(object):defaddTwoNumbers(self,l1,l2):k1=''.join(list(map(str,l1)))k2=''.join(list(map(str,l2)))nsum=int(k1)+int(k2)res=list(str(ns...
l=["hi","hello","world"]print("".join(l))输出：hihelloworld str1="hihelloworld"print(str1.split(""))输出['hi','hello','world'] ...
target： numbers=['2','4','1','3']numbers=list(map(int,numbers))排序：从小到大排序：numbers=sorted(numbers,reverse=False)从大到小排序：numbers=sorted(numbers...
classSolution(object):deftwoSum(self,nums,target):dic={}fori,numinenumerate(nums):ifnumindic:return[dic[num],i]else:dic[target-num]=ix=Solution(...
classSolution(object):defaddTwoNumbers(self,l1,l2): k1=''.join(list(map(str,l1)))k2=''.join(list(map(str,l2)))returnint(k1)+int(k2)l1=[1,2,3...
display:inline-block设置为行内元素...
版权申明：本文为博主窗户(Colin Cai)原创，欢迎转帖。如要转贴，必须注明原文网址 http://www.cnblogs.com/Colin-Cai/p/7899171.html 作者：窗户 QQ：6679072 E-mail：6679072@qq.com bp神经网络为大家所熟知，推导中使用了基于梯度下降。而对于更为一般的情况，解决问题的出发点是建立一组函数fi(Ci,Xi), i=1..n，n为输出的个数，也就是函数的个数，对于每个fi，Ci是一个参数向量，Xi是一个输入向量，我们的目标就是为这组函数中的每个fi找到最合适的Ci。 ...
