diff --git a/01.01 python 基础.ipynb b/01.01 python 基础.ipynb
index c064019..8d9ddcb 100644
--- a/01.01 python 基础.ipynb
+++ b/01.01 python 基础.ipynb
@@ -785,7 +785,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "a = [10, 11, 12, 13, 14]\n",
+    "a = [10, 11, 12, 13, 11]\n",
     "print (10 in a)\n",
     "print (10 not in a)"
    ]
@@ -805,7 +805,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "a = [11, 12, 13, 12, 11]\n",
+    "a = [10, 11, 12, 13, 11]\n",
     "a.index(12)"
    ]
   },
@@ -822,7 +822,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "a = [11, 12, 13, 12, 11]\n",
+    "a = [10, 11, 12, 13, 11]\n",
     "a.count(11)"
    ]
   },