diff --git a/harjoitukset/Harjoitus_1_(Pandas).ipynb b/harjoitukset/Harjoitus_1_(Pandas).ipynb
index 1e7768872e7b9fe5563a3075ff39bbc03e12ec55..897b9823b8c0c08c37d9ca92d8b5f3cdf6a043e2 100644
--- a/harjoitukset/Harjoitus_1_(Pandas).ipynb
+++ b/harjoitukset/Harjoitus_1_(Pandas).ipynb
@@ -16,7 +16,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 313,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -32,7 +32,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 310,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -48,7 +48,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 311,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -64,7 +64,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 312,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -80,7 +80,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 314,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -96,7 +96,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 288,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -112,7 +112,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 315,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -128,7 +128,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 316,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -137,7 +137,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 317,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -153,7 +153,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 318,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -169,7 +169,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 319,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -185,7 +185,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 320,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -201,7 +201,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 321,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -217,7 +217,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 322,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -233,7 +233,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 323,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -249,7 +249,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 324,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -265,7 +265,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 325,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -281,7 +281,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 326,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -297,7 +297,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 327,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -318,7 +318,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 328,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [