tighten up our change controls… what’s preventing us from getting there?”  “That change management tool is impossible to use. There’s a million mandatory fields and most of the time, the drop down boxes down our neck to get crap done. We can’t wait for you to hem and haw, complaining that we didn’t fill out the form right.” Lesson: Don’t let your change control process become a change prevention process

TOP) con.pack(side=tkinter.LEFT) #水平排列，从左到右 con.pack(fill=tkinter.BOTH, expand=tkinter.TRUE) #让里边的控件跟随窗 口自动拉伸大小 fill= {NONE、X、Y、BOTH} #选择当控件伸缩时按照哪个方 向填充 text="Status: Editing...", bd=1, relief=tkinter.SUNKEN, anchor=tkinter.W) status_bar.pack(side=tkinter.BOTTOM, fill=tkinter.X) window.mainloop() # 运行窗口主循环 显示效果： ★Bu�on按钮 按钮上可以显示文本或图像，并且可以与一个回调函数关联，当用户 点击 create_line(0, 0, 460, 300, fill="red") # 绘制直 线，左上角坐标，右下角坐标，填充颜色 canvas.create_line(5, 0, 465, 280, fill="green", arrow=tkinter.LAST) # 绘制直线，带箭头的 canvas.create_rectangle(50, 50, 250, 150, fill="blue") # 绘制矩形，左上角坐标，右下角坐标，填充颜色

stakeholders)2. The team has nothing to hide from itself: it acknowledges and confronts problems g. FIND AND FILL ANY TELEMETRY GAPS i. Expand metrics from business, application, infrastructure, client software