add

u4/word_count.py

@@ -0,0 +1,14 @@
+import string
+
+def word_count(text):
+    words = []
+    for word in text.lower().split():
+        cleaned_word = word.strip(string.punctuation)
+        if cleaned_word:
+            words.append(cleaned_word)
+
+    result = {}
+    for word in words:
+        result[word] = result.get(word,0) +1
+
+    return result