代码体验: for i in enumerate(list1): print(i) # 返回结果是元组,元组第一个数据是原迭代对象的数据对应的下标,元组第二个数据是原迭代对象的数据 执行结果如图: 代码体验: for i in enumerate(list1, start=1): print(i) 执行结果如图: 文章借鉴来源:Python自学网发布...
# Python code to demonstrate the working of # "in" and "not in" # initializing list lis = [ 1, 4, 3, 2, 5] # checking if 4 is in list using "in" if 4 in lis: print ("List is having element with value 4") else : print ("List is not having element with value 4") ...
方法:fit(X[,y])、transform(X[, y,copy])、fit_transform(X[,y])、get_params([deep])、 set_params(**params) 数据二值化 代码语言:javascript 代码运行次数:0 运行 AI代码解释 preprocessing.binarize(X,threshold=0.0, copy=True): 将数据转化为 0 和 1,其中小于等于 threshold 为 0,可用于稀疏数...
in 和 not in in用来检查指定元素是否存在于列表中 如果存在,返回True,否则返回False not in用来检查指定元素是否不在列表中 如果不在,返回True,否则返回False three_list = ['王昭君','妲己','虞姬','庄周','后羿'] one_para='佛祖'inthree_listprint(one_para)#Falseif('王昭君'inthree_list):print(...
7.Python调用MaxScripts方法,有许多MaxScript的API可以在安装目录下xxxx/MacroScripts找到 #open RTT dialog rt.execute("macros.run \"Render\" \"BakeDialog\"") rt.execute("SetDialogPos gTextureBakeDialog [500,200]") #presss bake button rt.execute("gTextureBakeDialog.bRender.pressed()") #clsoe ...
代码语言:sql AI代码解释 createtabledb1.t20240605(namevarchar(200),idint); 插入数据 代码语言:python 代码运行次数:0 运行 AI代码解释 importpymysql conn=pymysql.connect(host='127.0.0.1',port=3314,user='root',password='123456',)foriinrange(10000):cursor=conn.cursor()sql='insert into db1.t...
max_binlog_cache_size:修改需要使用set global进行修改,定义了binlog cache临时文件的最大容量。如果某个事务的Event总量大于了(max_binlog_cache_size+binlog_cache_size)的大小那么将会报错,如下: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 ...
训练模型 ```python ''' 初始化参数 ''' W = torch.zeros((784, 10), requires_grad=True) b = torch.zeros(10, requires_grad=True) ''' 定义SGD优化器 ''' optimizer = optim.SGD([W, b], lr=0.1) ''' 训练模型 ''' nb_epochs = 1000 for epoch in range(nb_epochs + 1): z = ...
There the set of k-mers present in a genome (called "k-shingles" in MinHash-related litterature), or in the reads from a sequencing assay, and they have been shown to be useful to measure similarity between genomes.Why this implementation ?
("192.128.0.0/15")ip_address=network[0]whileip_addressinnetwork:try:response=reader.asn(ip_address)response_network=response.networkexceptgeoip2.errors.AddressNotFoundErrorase:response=Noneresponse_network=e.networkprint(f"{response_network}:{response!r}")ip_address=response_network[-1]+1# move...