, 'Python','Go', 'JavaScript', 'PHP', 'Swift']var = tk.StringVar()var.set(langs)listbox = tk.Listbox( root, listvariable=var, height=6, width=20, selectmode=tk.EXTENDED)listbox.pack(pady=60)button=tk.Button(root, text='获取选定内容', command=get_item)button.pack...
如果没有则创建cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='users'...
安全专家已经确定 Python 是一种用于开发信息安全工具包的语言,例如 w3af。模块化设计、易读的代码和完全开发的库套件使 Python 适合安全研究人员和专家编写脚本并构建安全测试工具。 基于Python 的工具包括各种类型的模糊测试工具、代理甚至偶尔的漏洞利用。Python 是当前几种开源渗透测试工具的主要语言,从用于内存分析的 ...
importsecrets names=["John","Juan","Jane","Jack","Jill","Jean"]defselectRandom(names):returnsecrets.choice(names)print("The name selected is: ",selectRandom(names)) Use ModuleNumPyto Select a Random Item From a List in Python TheNumPymodule also has utility functions for randomizing and...
listbox1 =Listbox(win,selectmode = MULTIPLE,height =5, yscrollcommand = s.set) # i 表示索引值,item 表示值,根据索引值的位置依次插入 for i,item in enumerate(range(1,50)): listbox1.insert(i,item) listbox1.pack() # 设置滚动条,使用 yview使其在垂直方向上滚动 Listbox 组件的内容,通过...
listbox1.pack() # i表示索引值,item 表示值,根据索引值的位置依次插入 for i,item in enumerate(["穆勒","穆西亚拉","萨内","马内","德里赫特"]): listbox1.insert(i,item) # 显示窗口 win.mainloop() 1. 2. 3. 4. 5. 6. 7.
fromtkinterimport*root=Tk()root.wm_title('hello,python')root.geometry('300x200')#在窗体root上添加label标签label=Label(root)#调用Label绘制函数,root参数为根窗体对象,即在root窗体上绘制label控件label['text']='welcome to the first GUI program using python!'#设置text属性,即显示内容label['font']=...
(e(document.getElementsByTagName("head").item(0)),void 0):(b=document.createElement("iframe"),b.style.height=0,b.style.width=0,b.style.margin=0,b.style.padding=0,b.style.border="0 none",b.name="zhipinFrame",b.src="about:blank",b.attachEvent?b.attachEvent("onload",function(){...
degree+=1X_train = np.column_stack([np.power(x_train,i)foriinrange(0,degree)]) model = np.dot(np.dot(np.linalg.inv(np.dot(X_train.transpose(),X_train)),X_train.transpose()),y_train) plt.plot(x,y,'g') plt.xlabel("x") ...
from fletimport(Card,Column,Container,Icon,Image,ListTile,PopupMenuButton,PopupMenuItem,Text,icons,padding,)defmain(page):page.title="ListTile Examples"page.add(Card(content=Container(width=500,content=Column([ListTile(title=Text("One-line list tile"),),ListTile(title=Text(...