1. Hi is there an error in my code because i cant seem to get the output. If this does work how does
the output is supposed to look like
import random
import time
import string
class TestDataGenerator:
def __init__(self):
pass
def generateData(self, size):
data = [""] * size
for i in range(size):
length = random.randint(1, 1000)
chars = string.ascii_uppercase + string.ascii_lowercase
string_val = ''.join(random.choice(chars) for _ in range(length))
data[i] = string_val
return data
from abc import ABC, abstractmethod
# abstract class to represent a set and its insert/search operations
class AbstractSet(ABC):
# constructor
@abstractmethod
def __init__(self):
pass
# inserts "element" in the set
# returns "True" after successful insertion, "False" if the element is already in the set
# element : str
# inserted : bool
@abstractmethod
def insertElement(self, element):
inserted = False
return inserted

2. # checks whether "element" is in the set
# returns "True" if it is, "False" otherwise
# element : str
# found : bool
@abstractmethod
def searchElement(self, element):
found = False
return found
# abstract class to represent a synthetic data generator
class AbstractTestDataGenerator(ABC):
# constructor
@abstractmethod
def __init__(self):
pass
# creates and returns a list of length "size" of strings
# size : int
# data : list
@abstractmethod
def generateData(self, size):
data = [""]*size
return data
import sys
sys.setrecursionlimit(10000)
class Node:
def __init__(self, value):
self.value = value
self.left = None
self.right = None
self.color = "BLACK"
import timeit
import string

3. import random
import sys
sys.setrecursionlimit(10000)
class Node:
def __init__(self, value):
self.value = value
self.left = None
self.right = None
self.color = "BLACK"
class BalancedSearchTreeSet(AbstractSet):
def __init__(self):
self.root = None
def rotateLeft(self, n):
x = n.right
n.right = x.left
x.left = n
x.color = n.color
n.color = "RED"
return x
def rotateRight(self, n):
x = n.left
n.left = x.right
x.right = n
x.color = n.color
n.color = "RED"
return x
def flipColor(self, n):
n.color = "RED"
n.left.color = "BLACK"
n.right.color = "BLACK"
def isRed(self, node):
if node is None:
return False
return node.color == "RED"
def insertElement(self, value):
self.root = self._insert(self.root, value)

4. self.root.color = "BLACK"
def _insert(self, node, value):
if node is None:
return Node(value)
if value < node.value:
node.left = self._insert(node.left, value)
else:
node.right = self._insert(node.right, value)
if self.isRed(node.right) and not self.isRed(node.left):
node = self.rotateLeft(node)
if self.isRed(node.left) and self.isRed(node.left.left):
node = self.rotateRight(node)
if self.isRed(node.left) and self.isRed(node.right):
self.flipColor(node)
return node
def searchElement(self, value):
return self._search(self.root, value)
def _search(self, node, value):
if node is None:
return None
if node.value.lower() == value.lower():
return node
if value.lower() < node.value.lower():
return self._search(node.left, value)
else:
return self._search(node.right, value)
bst_set = BalancedSearchTreeSet()
data_generator = TestDataGenerator()
# Test parameters
data_sizes = [100, 1000, 10000]
num_runs = 5
# Test with varying data sizes and distributions
for size in data_sizes:
print(f"Data size: {size}")

5. data = data_generator.generateData(size)
sorted_data = sorted(data)
reversed_data = list(reversed(sorted_data))
datasets = {"Random": data, "Sorted": sorted_data, "Reversed": reversed_data}
for dist, dataset in datasets.items():
print(f" Data distribution: {dist}")
# insertion time
insert_time = timeit.timeit(
lambda: [bst_set.insertElement(x) for x in dataset], number=num_runs
) / num_runs
# search time
search_time = timeit.timeit(
lambda: [x in bst_set for x in dataset], number=num_runs
) / num_runs
# Print the results
print(f" Insertion time: {insert_time:.6f} seconds")
print(f" Search time: {search_time:.6f} seconds")
print()
# Edge cases
edge_cases = [
("Empty set search", []),
("Duplicate insertion", data),
("Nonexistent element search", ["nonexistent_element"]),
]
for test_name, edge_data in edge_cases:
print(f"Edge case: {test_name}")