style: format all python code

Author: yanglbme

.prettierignore

@@ -0,0 +1,15 @@
+.idea/
+.github/
+node_modules/
+/solution/CONTEST_README.md
+/solution/CONTEST_README_EN.md
+/solution/summary.md
+/solution/summary_en.md
+/solution/README.md
+/solution/README_EN.md
+/solution/readme_template.md
+/solution/readme_template_en.md
+/solution/problem_readme_template.md
+/solution/problem_readme_template_en.md
+/solution/bash_problem_readme_template.md
+/solution/bash_problem_readme_template_en.md

basic/sorting/InsertionSort/README.md

@@ -198,13 +198,16 @@ def insertion_sort(array):
     for i in range(len(array)):
         cur_index = i
         while array[cur_index - 1] > array[cur_index] and cur_index - 1 >= 0:
-            array[cur_index], array[cur_index - 1] = array[cur_index - 1], array[cur_index]
+            array[cur_index], array[cur_index - 1] = (
+                array[cur_index - 1],
+                array[cur_index],
+            )
             cur_index -= 1
     return array
 
+
 array = [10, 17, 50, 7, 30, 24, 27, 45, 15, 5, 36, 21]
 print(insertion_sort(array))
-
 ```
 
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