Is_Unique Completed

Author: Harshadjoshi01

Arrays_And_Strings/Is_Unique.py

@@ -0,0 +1,32 @@
+'''
+Is Unique: Implement an algorithm to determine if a string has all unique characters. What if you
+cannot use additional data structures?
+Hints: #44, #117, #132 
+
+'''
+'''
+PS: Assuming String to be 256 unicoded
+'''
+from unicodedata import name
+
+
+def is_Unique(string):
+    
+    #edge case
+    if (len(string) == 1):
+        return True
+    
+    unique_char = [False] * 256
+
+    for char in string:
+        if(unique_char[ord(char)] == False):
+            unique_char[ord(char)] = True
+        else:
+            return False
+    
+    return True
+
+if __name__ == '__main__':
+    str1 = input("Enter String >> ")
+    answer = is_Unique(str1.strip())
+    print(answer)