diff --git a/week1/1_Strings_and_Output.ipynb b/week1/1_Strings_and_Output.ipynb
index e53b74c..f18a435 100644
--- a/week1/1_Strings_and_Output.ipynb
+++ b/week1/1_Strings_and_Output.ipynb
@@ -4,7 +4,7 @@
 "cell_type": "markdown",
 "metadata": {},
 "source": [
- "\"
+ "\"
 ]
 },
 {
@@ -367,7 +367,7 @@
 "name": "python",
 "nbconvert_exporter": "python",
 "pygments_lexer": "ipython3",
- "version": "3.7.1"
+ "version": "3.7.3"
 }
 },
 "nbformat": 4,
diff --git a/week1/2_Arithmetics.ipynb b/week1/2_Arithmetics.ipynb
index 8e79725..f356cc0 100644
--- a/week1/2_Arithmetics.ipynb
+++ b/week1/2_Arithmetics.ipynb
@@ -4,7 +4,7 @@
 "cell_type": "markdown",
 "metadata": {},
 "source": [
- "\"
+ "\"
 ]
 },
 {
@@ -355,7 +355,7 @@
 "name": "python",
 "nbconvert_exporter": "python",
 "pygments_lexer": "ipython3",
- "version": "3.7.1"
+ "version": "3.7.3"
 }
 },
 "nbformat": 4,
diff --git a/week1/3_Types.ipynb b/week1/3_Types.ipynb
index d7efa38..3a4b094 100644
--- a/week1/3_Types.ipynb
+++ b/week1/3_Types.ipynb
@@ -4,14 +4,12 @@
 "cell_type": "markdown",
 "metadata": {},
 "source": [
- "\"
+ "\"
 ]
 },
 {
 "cell_type": "markdown",
- "metadata": {
- "collapsed": true
- },
+ "metadata": {},
 "source": [
 "# <p style=\"align: right; direction: rtl; float: right;\">סוגי ערכים (טיפוסים, או types)</p>"
 ]
@@ -360,7 +358,7 @@
 "name": "python",
 "nbconvert_exporter": "python",
 "pygments_lexer": "ipython3",
- "version": "3.7.1"
+ "version": "3.7.3"
 }
 },
 "nbformat": 4,
diff --git a/week1/4_Variables.ipynb b/week1/4_Variables.ipynb
index 96fec9d..6d89755 100644
--- a/week1/4_Variables.ipynb
+++ b/week1/4_Variables.ipynb
@@ -4,7 +4,7 @@
 "cell_type": "markdown",
 "metadata": {},
 "source": [
- "\"
+ "\"
 ]
 },
 {
@@ -42,7 +42,7 @@
 "cell_type": "markdown",
 "metadata": {},
 "source": [
- "\"
+ "\"
 ]
 },
 {
@@ -192,7 +192,7 @@
 "metadata": {},
 "source": [
 "<figure>\n",
- " \\n",
+ " \\n",
 " <figcaption style=\"text-align: center; direction: rtl;\">אמנם בלי מדבקות, אבל אנחנו סומכים על כישורי הדמיון שלכם.</figcaption>\n",
 "</figure>"
 ]
diff --git a/week1/5_Input_and_Casting.ipynb b/week1/5_Input_and_Casting.ipynb
index 843c052..15d974d 100644
--- a/week1/5_Input_and_Casting.ipynb
+++ b/week1/5_Input_and_Casting.ipynb
@@ -4,7 +4,7 @@
 "cell_type": "markdown",
 "metadata": {},
 "source": [
- "\"
+ "\"
 ]
 },
 {
@@ -89,9 +89,7 @@
 },
 {
 "cell_type": "markdown",
- "metadata": {
- "collapsed": true
- },
+ "metadata": {},
 "source": [
 "<p style=\"text-align: right; direction: rtl; float: right;\">\n",
 "השורה הראשונה היא החידוש פה: בשורה זו אנחנו מבקשים קלט מהמשתמש (את השם שלו), ושומרים את הקלט שהזין במשתנה בשם <code>name</code>.<br>\n",
@@ -618,7 +616,7 @@
 "name": "python",
 "nbconvert_exporter": "python",
 "pygments_lexer": "ipython3",
- "version": "3.7.1"
+ "version": "3.7.3"
 }
 },
 "nbformat": 4,
diff --git a/week1/6_Booleans.ipynb b/week1/6_Booleans.ipynb
index ec6d7b1..e35b02a 100644
--- a/week1/6_Booleans.ipynb
+++ b/week1/6_Booleans.ipynb
@@ -4,7 +4,7 @@
 "cell_type": "markdown",
 "metadata": {},
 "source": [
- "\"
+ "\"
 ]
 },
 {
diff --git a/week1/7_Logic_Operators.ipynb b/week1/7_Logic_Operators.ipynb
index a98c685..468b989 100644
--- a/week1/7_Logic_Operators.ipynb
+++ b/week1/7_Logic_Operators.ipynb
@@ -4,7 +4,7 @@
 "cell_type": "markdown",
 "metadata": {},
 "source": [
- "\"
+ "\"
 ]
 },
 {
@@ -751,7 +751,7 @@
 "name": "python",
 "nbconvert_exporter": "python",
 "pygments_lexer": "ipython3",
- "version": "3.7.1"
+ "version": "3.7.3"
 }
 },
 "nbformat": 4,
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://patch-diff.githubusercontent.com/raw/PythonFreeCourse/Notebooks/pull/12.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://patch-diff.githubusercontent.com/raw/PythonFreeCourse/Notebooks/pull/12.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
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<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>