no message

2025-12-08 17:24:23 +08:00
parent 066b167205
commit f43596e643
23 changed files with 0 additions and 0 deletions
@@ -0,0 +1,3 @@
+l = [1,2,3,1,1,1,1,1,1]
+# 返回元素第一次出现的下标 index(value,start,end)
+print(l.index(1,4))