Modified comments on upper.py (TheAlgorithms#3884)

* Modified comments on upper.py ,made it more clean

* Update strings/upper.py

Co-authored-by: xcodz-dot <[email protected]>

* Update upper.py

* Update upper.py

Co-authored-by: xcodz-dot <[email protected]>
Co-authored-by: Dhruv Manilawala <[email protected]>

Author: 3 people

strings/upper.py

@@ -12,9 +12,9 @@ def upper(word: str) -> str:
     'WH[]32'
     """
 
-    # converting to ascii value int value and checking to see if char is a lower letter
-    # if it is a capital letter it is getting shift by 32 which makes it a capital case
-    # letter
+    # Converting to ascii value int value and checking to see if char is a lower letter
+    # if it is a lowercase letter it is getting shift by 32 which makes it an uppercase
+    # case letter
     return "".join(chr(ord(char) - 32) if "a" <= char <= "z" else char for char in word)