Update '2.md'

2021-10-13 14:08:02 +00:00 · 2021-10-13 14:08:02 +00:00 · abd1ac3a63
commit abd1ac3a63
parent 5e573a0881
1 changed files with 8 additions and 0 deletions
--- a/2.md
+++ b/2.md
@ -4,4 +4,12 @@

    Alice -> Bob: Another authentication Request
    Alice <-- Bob: Another authentication Response
+
+```
+
+
+```bash
+if [ -z $AA ]; then
+ echo "XX"
+fi
 ```