Update index.yml

02_数据类型/index.yml

@@ -73,7 +73,7 @@ step2:
 
 step3:
   link: '{{chapter_2_issue}}'
-  description: "python数据类型———数字类型"
+  description: "python数据类型——数字类型"
   transitions:
       events: [ 'note_events' ]
       action:
@@ -169,7 +169,7 @@ step14_choice:
 
 step6:
   link: '{{chapter_2_issue}}'
-  description: "python数据类型———字符串类型"
+  description: "python数据类型——字符串类型"
   transitions:
     events: ['note_events']
     action:
@@ -310,7 +310,7 @@ step21_choice:
 
 step13:
   link: '{{chapter_2_issue}}'
-  description: "python数据类型———列表类型"
+  description: "python数据类型——列表类型"
   transitions:
       events: [ 'note_events' ]
       action:
@@ -475,7 +475,7 @@ step20:
 
 step21:
   link: '{{chapter_2_issue}}'
-  description: "python数据类型———元组和字典"
+  description: "python数据类型——元组和字典"
   transitions:
       events: [ 'note_events' ]
       action:
@@ -665,7 +665,7 @@ step31:
 
 step32:
   link: '{{chapter_2_issue}}'
-  description: "python数据类型———运算符"
+  description: "python数据类型——运算符"
   transitions:
       events: [ 'note_events' ]
       action: