Improve formatting of example code in readme

Formatted the example code for better readability.

Author: javadev

src/main/java/g0001_0100/s0027_remove_element/readme.md

@@ -13,7 +13,18 @@ Consider the number of elements in `nums` which are not equal to `val` be `k`, t
 
 The judge will test your solution with the following code:
 
-int[] nums = [...]; // Input array int val = ...; // Value to remove int[] expectedNums = [...]; // The expected answer with correct length. // It is sorted with no values equaling val. int k = removeElement(nums, val); // Calls your implementation assert k == expectedNums.length; sort(nums, 0, k); // Sort the first k elements of nums for (int i = 0; i < actualLength; i++) { assert nums[i] == expectedNums[i]; } 
+    int[] nums = [...]; // Input array
+    int val = ...; // Value to remove
+    int[] expectedNums = [...]; // The expected answer with correct length.
+                                // It is sorted with no values equaling val.
+
+    int k = removeElement(nums, val); // Calls your implementation
+
+    assert k == expectedNums.length;
+    sort(nums, 0, k); // Sort the first k elements of nums
+    for (int i = 0; i < actualLength; i++) {
+        assert nums[i] == expectedNums[i];
+    }
 
 If all assertions pass, then your solution will be **accepted**.
 
@@ -37,4 +48,4 @@ If all assertions pass, then your solution will be **accepted**.
 
 *   `0 <= nums.length <= 100`
 *   `0 <= nums[i] <= 50`
-*   `0 <= val <= 100`
+*   `0 <= val <= 100`