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Update stack min challenge (#128)

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Rename variable min_vals to stack_of_mins to improve clarity.
Rename method min to minimum to avoid using the same name as the built-in min.
This commit is contained in:
Donne Martin
2016-12-08 05:32:13 -05:00
committed by GitHub
parent 385bc54efa
commit 2399eb60d3
3 changed files with 33 additions and 33 deletions
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16
stacks_queues/stack_min/test_stack_min.py
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@@ -8,26 +8,26 @@ class TestStackMin(object):
stack = StackMin()
stack.push(5)
assert_equal(stack.peek(), 5)
assert_equal(stack.min(), 5)
assert_equal(stack.minimum(), 5)
stack.push(1)
assert_equal(stack.peek(), 1)
assert_equal(stack.min(), 1)
assert_equal(stack.minimum(), 1)
stack.push(3)
assert_equal(stack.peek(), 3)
assert_equal(stack.min(), 1)
assert_equal(stack.minimum(), 1)
stack.push(0)
assert_equal(stack.peek(), 0)
assert_equal(stack.min(), 0)
assert_equal(stack.minimum(), 0)
print('Test: Pop on non-empty stack')
assert_equal(stack.pop(), 0)
assert_equal(stack.min(), 1)
assert_equal(stack.minimum(), 1)
assert_equal(stack.pop(), 3)
assert_equal(stack.min(), 1)
assert_equal(stack.minimum(), 1)
assert_equal(stack.pop(), 1)
assert_equal(stack.min(), 5)
assert_equal(stack.minimum(), 5)
assert_equal(stack.pop(), 5)
assert_equal(stack.min(), sys.maxsize)
assert_equal(stack.minimum(), sys.maxsize)
print('Test: Pop empty stack')
assert_equal(stack.pop(), None)