reorganize dir

Signed-off-by: Mia Steinkirch <mia.steinkirch@gmail.com>

ebook_src/real_interview_problems/check_anagram.py

@@ -0,0 +1,38 @@
+#!/usr/bin/env python
+
+__author__ = "bt3"
+
+from collections import Counter
+
+def check_if_anagram(word1, word2):
+    counter = Counter()
+    
+    for c in word1:
+        counter[c] += 1
+    
+    for c in word2:
+        counter[c] -= 1
+        
+    for values in counter.values():
+        if values != 0:
+            return False
+
+    return True
+    
+    
+    
+if __name__ == '__main__':
+    word1 = 'abc'
+    word2 = 'bca'
+    assert(check_if_anagram(word1, word2) == True)
+    
+    word2 = 'bcd'
+    assert(check_if_anagram(word1, word2) == False)
+    
+    word1 = ''
+    word2 = ''
+    assert(check_if_anagram(word1, word2) == True)
+    
+    word1 = 'a'
+    word2 = 'a'
+    assert(check_if_anagram(word1, word2) == True)