[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

strings/Permutation_in_String.py

@@ -1,5 +1,6 @@
 from collections import Counter
 
+
 class Solution:
     def checkInclusion(self, s1: str, s2: str) -> bool:
         n1, n2 = len(s1), len(s2)
@@ -10,20 +11,21 @@ def checkInclusion(self, s1: str, s2: str) -> bool:
             return True
         l, r = 1, n1
         while r < n2:
-            freq2[s2[l-1]] -= 1
-            if freq2[s2[l-1]] == 0:
-                del freq2[s2[l-1]]  
+            freq2[s2[l - 1]] -= 1
+            if freq2[s2[l - 1]] == 0:
+                del freq2[s2[l - 1]]
             freq2[s2[r]] += 1
             if freq1 == freq2:
                 return True
             r += 1
             l += 1
         return False
 
+
 if __name__ == "__main__":
-    s1 = "ab"               #update s1
-    s2 = "eidbaooo"         #update s2
-    
+    s1 = "ab"  # update s1
+    s2 = "eidbaooo"  # update s2
+
     sol = Solution()
     result = sol.checkInclusion(s1, s2)
-    print(result)
+    print(result)