improve docstring

Author: ofek

bit/find_missing_number.py

@@ -1,10 +1,13 @@
 def find_missing_number(nums):
-    """Returns the missing number from a sorted list of unique
-    integers in range [0..n] in O(n) time and space. The difference
-    between consecutive integers cannot be more than 1.
+    """Returns the missing number from a sequence of unique integers
+    in range [0..n] in O(n) time and space. The difference between
+    consecutive integers cannot be more than 1. If the sequence is
+    already complete, the next integer in the sequence will be returned.
 
-    >>> find_missing_number([i for i in range(0, 10000) if i != 1234])
+    >>> find_missing_number(i for i in range(0, 10000) if i != 1234)
     1234
+    >>> find_missing_number([4, 1, 3, 0, 6, 5, 2])
+    7
     """
 
     missing = 0