fix: more typos

clean-modular-code/checks-conditionals/python-function-checks.md

@@ -15,12 +15,12 @@ kernelspec:
 
 # Write Flexible Functions to Handle Messy Data
 
-When dealing with messy or unpredictable data, it’s important to ensure your code
-can handle errors early and gracefully. This approach is often called the **fail fast** approach. 
+When dealing with messy or unpredictable data, ensuring your code
+can handle errors early and gracefully is important. This approach is often called the **fail fast** approach. 
 
-Your goal is to identify data processing or workflow problems immediately when they occur, rather than allowing
+Your goal is to identify data processing or workflow problems immediately when they occur rather than allowing
 them to propagate through your code. This approach saves time and makes
-debugging easier, as it provides clearer, more useful error outputs (known as stack traces).
+debugging easier, providing clearer, more useful error outputs (known as stack traces).
 
 (fail-fast)=
 ## Fail fast strategy