def test_percentage_lower_than(self):
sl = SuperList()
for i in range(100):
sl.append(100 - i)
self.assertEqual(sl.percentage_lower_than(-1), 0)
self.assertEqual(sl.percentage_lower_than(11), 10)
self.assertEqual(sl.percentage_lower_than(33.3), 33)
self.assertEqual(sl.percentage_lower_than(101), 100)
sl.append(4)
self.assertTrue(sl.percentage_lower_than(5) > 4.95
and sl.percentage_lower_than(5) < 4.96)
class DistributionAnalyzer:
def __init__(self):
self.list = SuperList()
def add(self, value):
self.list.append(value)
def get_size(self):
return len(self.list)
def print_percentage(self, percentage):
value = self.list.percentage(percentage)
print(str(percentage) + "% under " + str(value))
def print_default_percentages(self):
self.print_percentage(50)
self.print_percentage(75)
self.print_percentage(90)
self.print_percentage(99)
self.print_percentage(100)
def find_percentage_lower_than(self, value):
p = self.list.percentage_lower_than(value)
print("%.2f%% of values are < %s" % (p, value))
def find_percentage_greater_than(self, value):
p = self.list.percentage_greater_than(value)
print("%.2f%% of values are > %s" % (p, value))
def find_percentage_between(self, low, high):
low, high = min(low, high), max(low, high)
a = self.list.percentage_greater_than(high)
b = self.list.percentage_lower_than(low)
result = 100.0 - (a + b)
print("%.2f of values are in [ %s, %s ]" % (result, low, high))
