done

Author: camilosalazar98

Python/chapter01/1.9 - String Rotation/camilo_solution_1.9.py

@@ -0,0 +1,27 @@
+"""
+String Rotation:Assume you have a method isSubstring which checks if one word is a
+substring of another. Given two strings, sl and s2, write code to check if s2 is
+a rotation of sl using only one call to isSubstring (e.g.,"waterbottle" is a
+rotation of"erbottlewat").
+"""
+
+def isSubstring(s1,s2):
+    if s2 in s1: #check to see if the seqence of s2 is found in s1
+        return True
+    return False
+
+def Rotation(s1,s2):
+    """
+    if they are substring of each other then we first check its lenght
+    """
+    if len(s1) != len(s2): #if there not the same lenght then there different woulds
+        return False
+
+    else:
+        s1+=s1 #waterbottlewaterbottle Anyroataion can be found here
+        return isSubstring(s1,s2)
+
+s1 = "waterbottle"
+s2 = "erbottlewat"
+
+print(Rotation(s1,s2))