zig Zag conversion.py

Author: Aakash231217

ZigZag Conversion

@@ -0,0 +1,13 @@
+class Solution:
+    def convert(self, s: str, numRows: int) -> str:
+        if numRows==1:return s
+        
+        res=""
+        for r in range(numRows):
+            increment=2*(numRows-1)
+            for i in range(r,len(s),increment):
+                res+=s[i]
+                if(r>0 and r<numRows-1 and i + increment-2*r<len(s)):
+                    res+=s[i+increment-2*r]
+                    
+        return res