fix unneded escaping

commit suggestions from code review

Co-authored-by: Shaun Hamilton <51722130+ShaunSHamilton@users.noreply.github.com>

curriculum/challenges/english/07-scientific-computing-with-python/python-for-everybody/dictionaries-and-loops.md

@@ -45,9 +45,8 @@ jan 100
 
 ---
 
-<pre>\[Error]</pre>
+<pre>[Error]</pre>
 
 ## --video-solution--
 
 1
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curriculum/challenges/english/07-scientific-computing-with-python/python-for-everybody/reading-files.md

@@ -13,7 +13,7 @@ What is used to indicate a new line in a string?
 
 ## --answers--
 
-<pre>\\n</pre>
+<pre>\n</pre>
 
 ---
 
@@ -34,4 +34,3 @@ What is used to indicate a new line in a string?
 ## --video-solution--
 
 1
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curriculum/challenges/english/07-scientific-computing-with-python/python-for-everybody/regular-expressions-practical-applications.md

@@ -17,11 +17,11 @@ What will search for a "$" in a regular expression?
 
 ---
 
-<pre>\\dollar\\</pre>
+<pre>\dollar\</pre>
 
 ---
 
-<pre>\\$</pre>
+<pre>\$</pre>
 
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@@ -30,4 +30,3 @@ What will search for a "$" in a regular expression?
 ## --video-solution--
 
 3
-

curriculum/challenges/english/07-scientific-computing-with-python/python-for-everybody/regular-expressions.md

@@ -13,11 +13,11 @@ Which regex matches only a white space character?
 
 ## --answers--
 
-<pre>\\S</pre>
+<pre>\S</pre>
 
 ---
 
-<pre>\\s</pre>
+<pre>\s</pre>
 
 ---
 
@@ -25,13 +25,12 @@ Which regex matches only a white space character?
 
 ---
 
-<pre>\_</pre>
+<pre>_</pre>
 
 ---
 
-<pre>\\.</pre>
+<pre>\.</pre>
 
 ## --video-solution--
 
 2
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curriculum/challenges/english/07-scientific-computing-with-python/python-for-everybody/variables-expressions-and-statements.md

@@ -25,9 +25,8 @@ What is the symbol used in an assignment statement?
 
 ---
 
-<pre>\|</pre>
+<pre>|</pre>
 
 ## --video-solution--
 
 3
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