根据https://docs.python.org/3/library/turtle.html#turtle.bgpic,背景图片必须是GIF。不支持 PNG。但是您可以使用 PIL/Pillow(Python 图像库)或 NumPy 将 PNG 即时转换为 GIF。
Matplotlibis the most widely used data visualization library in Python. By using this library, we can customize the background color of the plot. It provides the functionality to change the background of axes region and figure area also The following steps are used to change the color of the...
( 15 ) 以下程序的功能是 : 借助指针变量找出数组元素中的最大值及其元素的下标值 。 请填空。#include <stdio.h>main (){ int a[10],*p,*s;for ( p=a;p-a<10;p++ ) scanf ( ' %d ' ,p ) ;for ( p=a,s=a;p-a<10;p++ ) if ( *p>*s ) s= 【 15 ...