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+Toggle Questions
+=================
+
+.. parsonsprob:: exp1_pp1a
+   :adaptive:
+   :numbered: left
+
+   Put the blocks in order to define the function ``has22`` to return ``True`` if there are at least two items in the list nums that are adjacent and both equal to 2, otherwise return ``False``. For example, return ``True`` for ``has22([1, 2, 2])`` since there are two adjacent items equal to 2 (at index 1 and 2) and ``False`` for ``has22([2, 1, 2])`` since the 2’s are not adjacent.
+   -----
+   def has22(nums):
+   =====
+       for i in range(len(nums)-1):
+   =====
+       for i in range(len(nums)): #paired
+   =====
+           if nums[i] == 2 and num[i+1] == 2:
+   =====
+           if nums[i] == 2 and num[i-1] == 2: #paired
+   =====
+               return True
+   =====
+               return true #paired
+   =====
+       return False
+
+
+.. activecode:: exp1_q1_write
+   :autograde: unittest
+
+   Finish the function ``has22`` below to return ``True`` if there are at least two items in the list ``nums`` that are adjacent and both equal to 2, otherwise return ``False``.  For example, return ``True`` for ``has22([1, 2, 2])`` since there are two adjacent items equal to 2 (at index 1 and 2) and ``False`` for ``has22([2, 1, 2])`` since the 2's are not adjacent.
+
+   ~~~~
+   def has22(nums):
+
+   ====
+   from unittest.gui import TestCaseGui
+
+   class myTests(TestCaseGui):
+
+       def testOne(self):
+           self.assertEqual(has22([1, 2, 2]), True, 'has22([1, 2, 2])')
+           self.assertEqual(has22([1, 2, 1, 2]), False, 'has22([1, 2, 1, 2])')
+           self.assertEqual(has22([2, 1, 2]), False, 'has22([2, 1, 2])')
+           self.assertEqual(has22([2, 2, 1]), True, 'has22([2, 2, 1])')
+           self.assertEqual(has22([3, 4, 2]), False, 'has22([3, 4, 2])')
+           self.assertEqual(has22([2]), False, 'has22([2])')
+           self.assertEqual(has22([]), False, 'has22([])')
+           self.assertEqual(has22([3, 3, 1]), False, 'has22([3, 3, 1])')
+           self.assertEqual(has22([1, 4, 4]), False, 'has22([1, 4, 4])')
+
+   myTests().main()