Commit 9b317c6f by BellCodeEditor

save project

parent 07ef43ed
Showing with 4 additions and 2 deletions
...@@ -3,5 +3,7 @@ ...@@ -3,5 +3,7 @@
# 省略繁杂情节,刘关张三人一起冲入战场,围攻吕布: # 省略繁杂情节,刘关张三人一起冲入战场,围攻吕布:
a=['吕布'] a=['吕布']
b=['袁术','公孙瓒','关羽','张飞','刘备','曹操'] b=['袁术','公孙瓒','关羽','张飞','刘备','曹操']
print(b[2:5]) #取左不取右 取234
print(b[:]) #:号全部都取
print(b[2:]) # 取左边定义的下标 到 b数组最后位置
print(b[:3]) #左边默认值为0 取右边下标前的所有元素 取左不取右
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