Update index.yml

03_控制结构/index.yml

@@ -175,7 +175,7 @@ step7:
 
 step8:
   link: '{{chapter_3_issue}}'
-  #description: "循环结构"
+  description: "循环结构介绍"
   transitions:
     events: ['note_events']
     action:
@@ -187,7 +187,7 @@ step8:
 
 step9:
   link: '{{chapter_3_issue}}'
-  #description: "循环结构——While 循环与 break 语句"
+  description: "While 循环与 break 语句"
   transitions:
     events: ['note_events']
     action:
@@ -216,7 +216,7 @@ step7_choice:
 
 step10:
   link: '{{chapter_3_issue}}'
-  #description: "循环结构——for 循环与 continue 语句"
+  description: "for 循环与 continue 语句"
   transitions:
     events: ['note_events']
     action:
@@ -278,7 +278,7 @@ step12:
 
 step13:
   link: '{{chapter_3_issue}}'
-  #description: "循环结构——循环嵌套"
+  description: "循环嵌套"
   transitions:
     events: ['note_events']
     action:
@@ -303,7 +303,7 @@ step9_choice:
 
 step14:
   link: '{{chapter_3_issue}}'
-  #description: "循环结构——迭代器简介"
+  #description: "迭代器简介"
   transitions:
     events: ['note_events']
     action:
@@ -327,8 +327,8 @@ step10_choice:
 
 step15:
   link: '{{chapter_3_issue}}'
-  description: "循环结构"
-  #description: "循环结构——迭代器具体操作"
+  
+  description: "迭代器"
   transitions:
     events: ['note_events']
     action: