# Python program using Theano# for computing a Logistic # Function import theanoimport theano.tensor as Tx = T.dmatrix('x')s = 1 / (1 + T.exp(-x))logistic = theano.function([x], s)logistic([[0, 1], [-1, -2]]) Output: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 arr...
age = 25 user_name = "Alice" _total = 100 MAX_SIZE = 1024 calculate_area() StudentInfo __private_var非法标识符:2nd_place = "silver" # 错误:以数字开头 user-name = "Bob" # 错误:包含连字符 class = "Math" # 错误:使用关键字 $price = 9.99 # 错误:包含特殊字符 for = "loop" # ...
def AreaPerimeter (height, width): height = int(height) width = int(width) area = height * width perimeter = (2 * height) + (2 * width) print "The area is:" + area print (The perimeter is:" + perimeter return while True: h = raw_input("Enter height:") w = raw_input("Ent...
The entire Python program exits when no alive non-daemon threads are left. python 对于 thread 的管理中有两个函数:join 和 setDaemon join:如在一个线程B中调用threadA.join(),则 threadA 结束后,线程B才会接着 threadA.join() 往后运行。 setDaemon:主线程A 启动了子线程B,调用B.setDaemaon(True),...
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']=...
WRF-Hydro: wrfhydrpy is a Python API for the WRF-Hydro modelling system. pyDEM: PyDEM is a package for topographic (terrain) analysis. It takes in digital elevation model (DEM) rasters, and it outputs quantities like slope, aspect, upstream area, and topographic wetness index. ...
area=length*breadth print('Area is',area) print('Perimeter is',2* (length+breadth)) 输出 控制流 if语句 #!/usr/bin/python # Filename: if.py number=23 guess=int(input('Enter an integer : ')) ifguess==number: print('Congratulations, you guessed it.')# New block starts here ...
$ python some-program.py 1. 那么,一个文本形式的.py文件,是如何一步步转换为能够被CPU执行的机器指令的呢?此外,程序执行过程中可能会有.pyc文件生成,这些文件又有什么作用呢? 1. 执行过程 虽然从行为上看Python更像Shell脚本这样的解释性语言,但实际上Python程序执行原理本质上跟Java或者C#一样,都可以归纳为虚...
['menu']=menubar #在窗体内增加一个文本框,右侧为滚动侧边栏,同时将滚动栏与文本框内容绑定显示 TextArea=Text(root) TextArea.pack(side='left',fill=Y) scrollbtn=Scrollbar(root) scrollbtn.pack(side='right',fill=Y) TextArea.config(yscrollcommand=scrollbtn.set) scrollbtn.config(command=TextArea...
area:表示窗口面积的单个整数,以像素为单位 center:窗口中心的(x, y)坐标的两个整数的命名元组 centerx,centery:窗口中心的 x 或 y 坐标的单个整数 box:一个含有四个整数的命名元组,用于窗口的(左、上、宽、高)度量 title:标题窗口顶部标题栏中的一串文本 ...