diff --git a/e-com.ipynb b/e-com.ipynb
index c24628e..bae3128 100644
--- a/e-com.ipynb
+++ b/e-com.ipynb
@@ -2,7 +2,7 @@
  "cells": [
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-   "execution_count": 1,
+   "execution_count": null,
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@@ -26,7 +26,7 @@
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@@ -149,7 +149,7 @@
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+   "execution_count": null,
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@@ -278,7 +278,7 @@
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@@ -299,7 +299,7 @@
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@@ -338,7 +338,7 @@
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@@ -350,7 +350,7 @@
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@@ -362,7 +362,7 @@
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@@ -392,7 +392,7 @@
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+   "execution_count": null,
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@@ -514,7 +514,7 @@
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@@ -526,7 +526,7 @@
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-   "execution_count": 11,
+   "execution_count": null,
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@@ -537,7 +537,7 @@
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+   "execution_count": null,
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@@ -802,7 +802,7 @@
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@@ -812,7 +812,7 @@
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@@ -823,7 +823,7 @@
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@@ -1002,7 +1002,7 @@
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@@ -1023,7 +1023,7 @@
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@@ -1054,7 +1054,7 @@
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@@ -1164,7 +1164,7 @@
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@@ -1274,7 +1274,7 @@
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@@ -1284,7 +1284,7 @@
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@@ -1404,7 +1404,7 @@
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@@ -1414,7 +1414,7 @@
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@@ -1526,7 +1526,7 @@
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@@ -1636,7 +1636,7 @@
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@@ -1756,7 +1756,7 @@
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@@ -2030,7 +2030,7 @@
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@@ -2142,7 +2142,7 @@
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@@ -2223,7 +2223,7 @@
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@@ -2365,7 +2365,7 @@
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@@ -2381,7 +2381,7 @@
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@@ -2391,7 +2391,7 @@
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@@ -2401,7 +2401,7 @@
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+   "execution_count": null,
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@@ -2411,7 +2411,7 @@
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@@ -2421,7 +2421,7 @@
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+   "execution_count": null,
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@@ -2630,7 +2630,7 @@
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@@ -2652,7 +2652,7 @@
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+   "execution_count": null,
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@@ -2732,7 +2732,7 @@
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-   "execution_count": 38,
+   "execution_count": null,
    "id": "67da269d-0dce-4b4a-ae0d-3a2640871ad4",
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@@ -2756,7 +2756,7 @@
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-   "execution_count": 39,
+   "execution_count": null,
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@@ -2868,7 +2868,7 @@
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-   "execution_count": 40,
+   "execution_count": null,
    "id": "ae8f131a-e6b7-48ee-8b26-53adbc119b48",
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@@ -2892,7 +2892,7 @@
     "    elif revenue >= 600 and revenue < 5000:\n",
     "        return 'expensive'\n",
     "    elif revenue >= 200 and revenue < 600:\n",
-    "        return 'coommon'\n",
+    "        return 'common'\n",
     "    elif revenue >= 0 and revenue < 200:\n",
     "        return 'cheap'\n",
     "    else:\n",
@@ -2904,7 +2904,7 @@
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-   "execution_count": 41,
+   "execution_count": null,
    "id": "6a213cb0-a9da-478a-93ae-b4fb2e1c54e7",
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@@ -3017,7 +3017,7 @@
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+   "execution_count": null,
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@@ -3061,7 +3061,7 @@
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+   "execution_count": null,
    "id": "9b03dba8-6f4e-4784-b07a-1063881a2ef2",
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@@ -3106,7 +3106,7 @@
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+   "execution_count": null,
    "id": "7c5ee46d-5281-488f-8f46-2f023efe66f4",
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@@ -3158,7 +3158,7 @@
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+   "execution_count": null,
    "id": "a073a41d-e5b2-4d12-b2e1-6418e667e3b3",
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@@ -3190,7 +3190,7 @@
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+   "execution_count": null,
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@@ -3235,7 +3235,7 @@
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-   "execution_count": 47,
+   "execution_count": null,
    "id": "d77c5ae1-a0eb-49a5-a517-2fd7b3ef496a",
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@@ -3277,7 +3277,7 @@
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-   "execution_count": 48,
+   "execution_count": null,
    "id": "7929864c-db9f-40fb-aaf3-2756ec0a218f",
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@@ -3319,7 +3319,7 @@
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+   "execution_count": null,
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@@ -3364,7 +3364,7 @@
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