diff --git a/u4/word_count.py b/u4/word_count.py
new file mode 100644
index 0000000..2e6771e
--- /dev/null
+++ b/u4/word_count.py
@@ -0,0 +1,19 @@
+def count_words(sentence):
+    dict = {}
+    separators = [".", ",", ":", "!", "?", "\n", "\t", "'", " "]
+
+    previous_i = 0
+    for i, chr  in enumerate(sentence):
+        if chr in separators:
+            word = sentence[previous_i:i]
+            previous_i = i + 1
+            word = word.lower().strip(" ")
+            if word in separators or word == "":
+                continue
+            if word in dict:
+                print(dict)
+                dict[word] = dict[word] + 1
+                print(dict)
+            else:
+                dict.update({word : 1})
+    return dict
\ No newline at end of file