done

02-remove_dupe/duplicate.py

@@ -1,2 +1,16 @@
-def remove_duplicate(string):
-  pass
+def remove_duplicate(sentence):
+  out = sentence[0]
+  dupes = ''
+  last = sentence[0]
+
+  for letter in sentence[1:]:
+    if letter == last:
+      dupes += letter
+    else:
+      out += letter
+    last = letter
+  return out
+
+assert(remove_duplicate('hello') == 'helo')
+assert(remove_duplicate('hhhhheeeeelllllooooo') == 'helo')
+