('Letters are:', set([0, 1, 4, 6])) ('Letters are:', set([0, 1, 4, 6])) 將元組添加到集合中: # Python code to demonstrate addition of tuple to a set.s = {'g','e','e','k','s'} t = ('f','o')# adding tuple t to set s.s
Add an element to a set. element [ˈelɪmənt] 元素 This has no effect if the element is already present. effect [ɪˈfekt] 影响 添加一个元素到集合里面,如果这个元素已经有了,不影响 增加一个集合元素"11" s = set(["gouguoqi","gouguoqi","sb"]) s.add("11")print(s) C:\...
server=smtplib.SMTP(smtp_server,25)server.set_debuglevel(1)server.login(from_addr,password)server.sendmail(from_addr,[to_addr],msg.as_string())# msg调用了自己的as_string()函数,将整个Email内容结构转换成字符串再发送.# as_string函数运行后,得到的就是一封Base64编码的Email邮件 server.quit() 注...
1、图形化界面设计的基本理解 当前流行的计算机桌面应用程序大多数为图形化用户界面(Graphic User Interface,GUI)。 即通过鼠标对菜单、按钮等图形化元素触发指令,并从标签、对话框等图型化显示容器中获取人机对话信息。Python自带了tkinter 模块,实质上是一种流行的面向对象的GUI工具包 TK 的Python编程接口,提供了快速...
last): File "<stdin>", line 1, in <module> TypeError: 'set' object does not support indexing、 与集合有关的方法和函数 add() add()用来一组集合里添加新元素其返回值依然是集合,举例如下: >>> vendors.add('Huawei') >>> vendorsset
pyplotaspltfig=plt.figure(figsize=(4,4))plt.plot([1,2,3,4,5])sht_2.pictures.add(fig,...
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>>> names = set() >>> fileobj = resources[0] # 文件资源是一个file-like的object。 >>> for l in fileobj: >>> names.add(l) >>> collection = resources[1] >>> for r in collection: >>> names.add(r.name) # 这里可以通过字段名或者偏移来取。 >>> def h(x): >>> if x in...
To # convert to a different Python type, use built-in Python functions: str(), # int(), float() count = int(result_value) print(count) print(type(count)) 如果创建的输出仅为大型工作流的一个中间阶段,那么输出参数可以省略,以便工具为输出创建唯一路径和名称。 可以通过将输出设置为“#”或 ...
', ',', '.']forintent in intents['intents']:forpattern in intent['patterns']:#tokenize each wordword= nltk.word_tokenize(pattern)words.extend(word) #add documents in the corpusdocuments.append((word, intent['tag']))# add to our classes listifintent['tag'] notin classes:classes....