im_thumbnail = im.copy() # need to copy the original image firstim_thumbnail.thumbnail((100,100))# now paste the thumbnail on the image im.paste(im_thumbnail, (10,10)) im.save("../images/parrot_thumb.jpg") im.s
create a copy n = 5000 x, y = np.random.randint(0, im.width, n), np.random.randint(0, im.height, n) for (x,y) in zip(x,y): im1.putpixel((x, y), ((0,0,0) if np.random.rand() < 0.5 else (255,255,255))) # salt-and-pepper noise im1.show()下图...
pythonCopy codefrom PyQt5.QtWidgets import QApplication, QMainWindow, QTableWidget, QTableWidgetItemapp = QApplication([])main_window = QMainWindow()main_window.setWindowTitle("Table and List Example")main_window.setGeometry(100, 100, 800, 600)table = QTableWidget(main_window)table.setGeometry(100,...
create a copy n = 5000 x, y = np.random.randint(0, im.width, n), np.random.randint(0, im.height, n) for (x,y) in zip(x,y): im1.putpixel((x, y), ((0,0,0) if np.random.rand() < 0.5 else (255,255,255))) # salt-and-pepper noise im1.show() ...
Why use Python Play? - How this library is different from other graphics libraries.Basic CommandsTo get images or text on the screen, use the following commands. (Copy and paste the code below to try it out.)play.new_box()box = play.new_box( color='black', x=0, y=0, width=100...
参数字符串列表(动态对象),第一个参数为当前程序主文件的绝对路径或空字符串,如果在命令提示符界面给``Python``文件传了参数(不同的参数以空格分隔,无论传入的时候写的是什么类型,最终都会转成字符串),可以在这里面获取(从第二个位置开始),比如命令提示符中运行``“``python main.py 111 aaa``”``,那``...
This Python code creates a colorful spiral pattern using the Turtle graphics module. To save the code, simply copy and paste it into a Python file using a text editor (e.g. Notepad, Sublime Text, Visual Studio Code), and save the file with a .py extension. You can then run the file...
命令模式帮助我们把一个操作(undo,redo,copy,paste等)封装成一个对象,通常是创建一个包含Operation所有逻辑和方法的类。 通过命令模式可以控制命令的执行时间和过程,还可以用来组织事务。 用一些文件操作类来说明命令模式的使用 import os class RenameFile: def __init__(self, path_src, path_dest): """ 在in...
We’ve placed the code examples on the Web so you can copy and paste them as needed (although we do recommend that you type in the code as you follow along). You’ll find the code at these locations: http://bit.ly/head-first-python-2e http://python.itcarlow.ie ...
Python Copy import os os.system(f"pip install scikit-misc") The Python script text box is prepopulated with some instructions in comments, and sample code for data access and output. You must edit or replace this code. Follow Python conventions for indentation and casing: The script must ...