Update fichier-markdown.md

module1/exo2/fichier-markdown.md

-test
+# Part 1	test
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+## Subpart 1: text	
+A sentence without anything	
+*A sentence in italics*	
+**A sentence in bold**	
+A link to [fun-mooc.fr](https://www.fun-mooc.fr/)	
+A line of `code`	
+## Subpart 2: Lists	
+**Bulleted list**	
+- item	
+ - sub-item	
+ - sub-item	
+- item	
+- item	
+**Numbered List**	
+1. item	
+2. item	
+3. item	
+## Subpart 3: Code	
+```	
+# Code snippet	
+```
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