update readme

Author: hogan-tech

.github/test.txt

@@ -1 +1,3 @@
-1437-check-if-all-1s-are-at-least-length-k-places-away python easy
+3745-maximize-expression-of-three-elements python easy
+3746-minimum-string-length-after-balanced-removals python medium
+3747-count-distinct-integers-after-removing-zeros python medium

4112-maximize-expression-of-three-elements/4112-maximize-expression-of-three-elements.py renamed to Python/3745-maximize-expression-of-three-elements.py

@@ -300,3 +300,6 @@
 | 3740 | [Minimum Distance Between Three Equal Elements I](https://leetcode.com/problems/minimum-distance-between-three-equal-elements-i)                                       | [Python](./Python/3740-minimum-distance-between-three-equal-elements-i.py)                    | [Easy](./Readme/3740-minimum-distance-between-three-equal-elements-i.md)                      |
 | 3741 | [Minimum Distance Between Three Equal Elements II](https://leetcode.com/problems/minimum-distance-between-three-equal-elements-ii)                                     | [Python](./Python/3741-minimum-distance-between-three-equal-elements-ii.py)                   | [Medium](./Readme/3741-minimum-distance-between-three-equal-elements-ii.md)                   |
 | 3742 | [Maximum Path Score in a Grid](https://leetcode.com/problems/maximum-path-score-in-a-grid)                                                                             | [Python](./Python/3742-maximum-path-score-in-a-grid.py)                                       | [Medium](./Readme/3742-maximum-path-score-in-a-grid.md)                                       |
+| 3745 | [Maximize Expression of Three Elements](https://leetcode.com/problems/maximize-expression-of-three-elements)                                                           | [Python](./Python/3745-maximize-expression-of-three-elements.py)                              | [Easy](./Readme/3745-maximize-expression-of-three-elements.md)                                |
+| 3746 | [Minimum String Length After Balanced Removals](https://leetcode.com/problems/minimum-string-length-after-balanced-removals)                                           | [Python](./Python/3746-minimum-string-length-after-balanced-removals.py)                      | [Medium](./Readme/3746-minimum-string-length-after-balanced-removals.md)                      |
+| 3747 | [Count Distinct Integers After Removing Zeros](https://leetcode.com/problems/count-distinct-integers-after-removing-zeros)                                             | [Python](./Python/3747-count-distinct-integers-after-removing-zeros.py)                       | [Medium](./Readme/3747-count-distinct-integers-after-removing-zeros.md)                       |