Update README.md

Author: codewithdhruba01

05_Lists/README.md

@@ -24,6 +24,7 @@ print(fruits[-1])  # Output: cherry
 ```
 
 ### Slicing
+**Slicing** in Python refers to extracting a portion (or "slice") of a sequence like a list, tuple, string, or any other iterable that supports indexing.
 ```python
 numbers = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
 print(numbers[2:6])   # Output: [2, 3, 4, 5]