program7:- leetcode 205 Isomorphic strings.

program7.py

#program is not 100% correct faling in some test cases.
# i am working on it and efficiency can also be increased

class Solution:
    def isIsomorphic(self, s, t):
        d = {}
        if(s==t):
            return True
        else:
            for i in range(len(s)):
                if(s[i] in d):
                    x=d[s[i]]
                    if(x!=t[i]):
                        return False
                    else:
                        return True
                else:
                    d[s[i]]=t[i]
                print(d)
            else:
                return True