Initial commit

2026-04-23 16:58:11 +08:00
commit 267eba1eca
2582 changed files with 273338 additions and 0 deletions
--- a/pyground/区间动画.md
+++ b/pyground/区间动画.md
@@ -0,0 +1,16 @@
+(0,1]
+(1,5]
+(5,10]
+(10,20]
+
+
+(20,30]
+(30,50]
+(50,250]
+(250, 500]
+
+
+(80,120]
+(120,200]
+(200, 1000]
+(1000, 2000]