Added another version of the program "is_anagram.py" which uses python3 collections to make the program more concise.

Author: rishitc

is_anagram_using_collections.py

@@ -0,0 +1,14 @@
+# Check if two strings are anagrams of each other
+
+
+from collections import Counter
+
+def is_anagram(str1, str2):
+    return Counter(str1) == Counter(str2)
+
+
+result = is_anagram("hello", "billion")
+print(result)  # False
+
+result = is_anagram("million", "million")
+print(result)  # True