Update groupchat speaker_selection strategy with self_correctness to mitigate role misalignment

[LittleLittleCloud]

Why are these changes needed?

Related issue number

fix #86

This PR also adds the following test cases in order to verify the speaker-selection and termination policy of group chat

• test_group_chat_math_class

chat history

Admin (to chat_manager):

welcome to the class. I'm admin here. Teacher, you create 10 math questions for student to answer. Let me know when student resolve all questions.

---

teacher (to chat_manager):

I'm teacher, I will create 10 math questions for student to answer.

---

student (to chat_manager):

I'm student, I will answer teacher's questions.

---

Admin (to chat_manager):

teacher, please start

---

teacher (to chat_manager):

Great! Let's begin with the first question:

Question 1:
2 + 3 = ?

Student, please resolve the question and tell me the answer.

---

student (to chat_manager):

Hello teacher, the answer is 5.

---

teacher (to chat_manager):

Well done, student! That's correct!

Now, let's move on to the next question:

Question 2:
4 - 2 = ?

Student, please resolve the question and tell me the answer.

---

student (to chat_manager):

Hello teacher, the answer is 2.

---

teacher (to chat_manager):

Great job, student! That's correct!

Let's move on to the next question:

Question 3:
5 + 7 = ?

Student, please resolve the question and tell me the answer.

---

student (to chat_manager):

Hello teacher, the answer is 12.

---

teacher (to chat_manager):

Well done, student! That's correct!

Now, let's move on to the next question:

Question 4:
8 - 3 = ?

Student, please resolve the question and tell me the answer.

---

student (to chat_manager):

Hello teacher, the answer is 5.

---

teacher (to chat_manager):

Great job, student! That's correct!

Let's move on to the next question:

Question 5:
6 + 4 = ?

Student, please resolve the question and tell me the answer.

---

student (to chat_manager):

Hello teacher, the answer is 10.

---

teacher (to chat_manager):

Well done, student! That's correct!

Now, let's move on to the next question:

Question 6:
9 - 5 = ?

Student, please resolve the question and tell me the answer.

---

student (to chat_manager):

Hello teacher, the answer is 4.

---

teacher (to chat_manager):

Great job, student! That's correct!

Let's move on to the next question:

Question 7:
3 + 2 = ?

Student, please resolve the question and tell me the answer.

---

student (to chat_manager):

Hello teacher, the answer is 5.

---

teacher (to chat_manager):

Well done, student! That's correct!

Now, let's move on to the next question:

Question 8:
10 - 6 = ?

Student, please resolve the question and tell me the answer.

---

student (to chat_manager):

Hello teacher, the answer is 4.

---

teacher (to chat_manager):

Great job, student! That's correct!

Let's move on to the next question:

Question 9:
4 + 6 = ?

Student, please resolve the question and tell me the answer.

---

student (to chat_manager):

Hello teacher, the answer is 10.

---

teacher (to chat_manager):

Well done, student! That's correct!

Now, let's move on to the last question:

Question 10:
9 - 4 = ?

Student, please resolve the question and tell me the answer.

---

student (to chat_manager):

Hello teacher, the answer is 5.

---

Admin (to chat_manager):

teacher, it's your turn to speak.

---

teacher (to chat_manager):

[COMPLETE]

---

Admin (to chat_manager):

Great job, student! You have answered all the questions correctly. Keep up the good work! If you have any more questions or need further assistance, feel free to ask.

---

• test_group_chat_coding_class

chat history

Admin (to chat_manager):

welcome to the class. I'm admin here. Teacher, you create 5 easy-level leetcode questions for student to resolve . Let me know when student resolve all questions.

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teacher (to chat_manager):

I'm teacher, I will create 5 easy-level leetcode question for student to answer.

---

student (to chat_manager):

I'm student, I will provide python code to resolve leetcode question. I'll try to fix the bug if there's any.

---

executor (to chat_manager):

I'm executor, I will run student's code and report result.

---

Admin (to chat_manager):

teacher, please start

---

teacher (to chat_manager):

Sure! Let's begin with the first question:

Question 1:
Given an array of integers, return indices of the two numbers such that they add up to a specific target.
You may assume that each input would have exactly one solution, and you may not use the same element twice.

Example:
Input: nums = [2, 7, 11, 15], target = 9
Output: [0, 1]
Explanation: nums[0] + nums[1] = 2 + 7 = 9

Please write a function called two_sum that takes in an array of integers nums and an integer target, and returns a list of two indices that add up to the target.

You can start by writing the function signature and any necessary imports.

---

student (to chat_manager):

Sure! Here's the function two_sum that solves the problem:

def two_sum(nums, target):
    # Create a dictionary to store the complement of each number
    complement_dict = {}

    # Iterate through the array
    for i, num in enumerate(nums):
        # Check if the complement of the current number exists in the dictionary
        if num in complement_dict:
            # If it does, return the indices of the two numbers
            return [complement_dict[num], i]

        # If the complement does not exist, add the current number and its index to the dictionary
        complement_dict[target - num] = i

    # If no solution is found, return an empty list
    return []

Now, let's test the function with the given example:

nums = [2, 7, 11, 15]
target = 9
result = two_sum(nums, target)
print(result)

Please run the code and let me know if the output is correct.

---

EXECUTING CODE BLOCK 0 (inferred language is python)...
WARNING:root:SIGALRM is not supported on Windows. No timeout will be enforced.

EXECUTING CODE BLOCK 1 (inferred language is python)...
WARNING:root:SIGALRM is not supported on Windows. No timeout will be enforced.
executor (to chat_manager):

exitcode: 1 (execution failed)
Code output:

Traceback (most recent call last):
File "", line 3, in
result = two_sum(nums, target)
^^^^^^^
NameError: name 'two_sum' is not defined

---

teacher (to chat_manager):

It seems that there is a NameError because the function two_sum is not defined. Let's fix this issue.

Student, please make sure that the two_sum function is defined before calling it. You can either move the function definition above the code that calls it or wrap the function definition and the code in a single cell.

Once you have made the necessary changes, please run the code again and let me know if the output is correct.

---

student (to chat_manager):

Apologies for the mistake. Let me fix it by moving the function definition above the code that calls it. Here's the updated code:

def two_sum(nums, target):
    # Create a dictionary to store the complement of each number
    complement_dict = {}

    # Iterate through the array
    for i, num in enumerate(nums):
        # Check if the complement of the current number exists in the dictionary
        if num in complement_dict:
            # If it does, return the indices of the two numbers
            return [complement_dict[num], i]

        # If the complement does not exist, add the current number and its index to the dictionary
        complement_dict[target - num] = i

    # If no solution is found, return an empty list
    return []

nums = [2, 7, 11, 15]
target = 9
result = two_sum(nums, target)
print(result)

Please run the code again and let me know if the output is correct.

---

EXECUTING CODE BLOCK 0 (inferred language is python)...
WARNING:root:SIGALRM is not supported on Windows. No timeout will be enforced.
executor (to chat_manager):

exitcode: 0 (execution succeeded)
Code output:
[0, 1]

---

teacher (to chat_manager):

Great job, student! The code executed successfully and the output is correct. You have solved the first question correctly.

Now, let's move on to the second question:

Question 2:
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.

Example:
Input: "A man, a plan, a canal: Panama"
Output: True

Please write a function called is_palindrome that takes in a string s and returns a boolean value indicating whether the string is a palindrome or not.

You can start by writing the function signature and any necessary imports.

---

student (to chat_manager):

Sure! Here's the function is_palindrome that solves the problem:

import re

def is_palindrome(s):
    # Remove non-alphanumeric characters and convert to lowercase
    s = re.sub('[^a-zA-Z0-9]', '', s.lower())

    # Check if the string is equal to its reverse
    return s == s[::-1]

Now, let's test the function with the given example:

s = "A man, a plan, a canal: Panama"
result = is_palindrome(s)
print(result)

Please run the code and let me know if the output is correct.

---

EXECUTING CODE BLOCK 0 (inferred language is python)...
WARNING:root:SIGALRM is not supported on Windows. No timeout will be enforced.

EXECUTING CODE BLOCK 1 (inferred language is python)...
WARNING:root:SIGALRM is not supported on Windows. No timeout will be enforced.
executor (to chat_manager):

exitcode: 1 (execution failed)
Code output:

Traceback (most recent call last):
File "", line 2, in
result = is_palindrome(s)
^^^^^^^^^^^^^
NameError: name 'is_palindrome' is not defined

---

teacher (to chat_manager):

It seems that there is a NameError because the function is_palindrome is not defined. Let's fix this issue.

Student, please make sure that the is_palindrome function is defined before calling it. You can either move the function definition above the code that calls it or wrap the function definition and the code in a single cell.

Once you have made the necessary changes, please run the code again and let me know if the output is correct.

---

student (to chat_manager):

Apologies for the mistake. Let me fix it by moving the function definition above the code that calls it. Here's the updated code:

import re

def is_palindrome(s):
    # Remove non-alphanumeric characters and convert to lowercase
    s = re.sub('[^a-zA-Z0-9]', '', s.lower())

    # Check if the string is equal to its reverse
    return s == s[::-1]

s = "A man, a plan, a canal: Panama"
result = is_palindrome(s)
print(result)

Please run the code again and let me know if the output is correct.

---

EXECUTING CODE BLOCK 0 (inferred language is python)...
WARNING:root:SIGALRM is not supported on Windows. No timeout will be enforced.
executor (to chat_manager):

exitcode: 0 (execution succeeded)
Code output:
True

---

teacher (to chat_manager):

Well done, student! The code executed successfully and the output is correct. You have solved the second question correctly.

Now, let's move on to the third question:

Question 3:
Given a non-empty array of integers, every element appears twice except for one. Find that single element.

Example:
Input: [4, 1, 2, 1, 2]
Output: 4

Please write a function called find_single_element that takes in a list of integers nums and returns the single element that appears only once.

You can start by writing the function signature and any necessary imports.

---

student (to chat_manager):

Sure! Here's the function find_single_element that solves the problem:

def find_single_element(nums):
    # Initialize a variable to store the result
    result = 0

    # XOR all the elements in the array
    for num in nums:
        result ^= num

    # The result will be the single element that appears only once
    return result

Now, let's test the function with the given example:

nums = [4, 1, 2, 1, 2]
result = find_single_element(nums)
print(result)

Please run the code and let me know if the output is correct.

---

EXECUTING CODE BLOCK 0 (inferred language is python)...
WARNING:root:SIGALRM is not supported on Windows. No timeout will be enforced.

EXECUTING CODE BLOCK 1 (inferred language is python)...
WARNING:root:SIGALRM is not supported on Windows. No timeout will be enforced.
executor (to chat_manager):

exitcode: 1 (execution failed)
Code output:

Traceback (most recent call last):
File "", line 2, in
result = find_single_element(nums)
^^^^^^^^^^^^^^^^^^^
NameError: name 'find_single_element' is not defined

---

teacher (to chat_manager):

It seems that there is a NameError because the function find_single_element is not defined. Let's fix this issue.

Student, please make sure that the find_single_element function is defined before calling it. You can either move the function definition above the code that calls it or wrap the function definition and the code in a single cell.

Once you have made the necessary changes, please run the code again and let me know if the output is correct.

---

student (to chat_manager):

Apologies for the mistake. Let me fix it by moving the function definition above the code that calls it. Here's the updated code:

def find_single_element(nums):
    # Initialize a variable to store the result
    result = 0

    # XOR all the elements in the array
    for num in nums:
        result ^= num

    # The result will be the single element that appears only once
    return result

nums = [4, 1, 2, 1, 2]
result = find_single_element(nums)
print(result)

Please run the code again and let me know if the output is correct.

---

EXECUTING CODE BLOCK 0 (inferred language is python)...
WARNING:root:SIGALRM is not supported on Windows. No timeout will be enforced.
executor (to chat_manager):

exitcode: 0 (execution succeeded)
Code output:
4

---

teacher (to chat_manager):

Well done, student! The code executed successfully and the output is correct. You have solved the third question correctly.

Now, let's move on to the fourth question:

Question 4:
Given a non-empty array of integers, every element appears three times except for one, which appears exactly once. Find that single element.

Example:
Input: [2, 2, 3, 2]
Output: 3

Please write a function called find_single_element that takes in a list of integers nums and returns the single element that appears only once.

You can start by writing the function signature and any necessary imports.

---

student (to chat_manager):

Sure! Here's the function find_single_element that solves the problem:

def find_single_element(nums):
    # Initialize variables to store the counts of each bit
    ones = 0
    twos = 0

    # Iterate through the array
    for num in nums:
        # Update the counts of each bit
        ones = (ones ^ num) & ~twos
        twos = (twos ^ num) & ~ones

    # The result will be the number that appears only once
    return ones

Now, let's test the function with the given example:

nums = [2, 2, 3, 2]
result = find_single_element(nums)
print(result)

Please run the code and let me know if the output is correct.

---

EXECUTING CODE BLOCK 0 (inferred language is python)...
WARNING:root:SIGALRM is not supported on Windows. No timeout will be enforced.

EXECUTING CODE BLOCK 1 (inferred language is python)...
WARNING:root:SIGALRM is not supported on Windows. No timeout will be enforced.
executor (to chat_manager):

exitcode: 1 (execution failed)
Code output:

Traceback (most recent call last):
File "", line 2, in
result = find_single_element(nums)
^^^^^^^^^^^^^^^^^^^
NameError: name 'find_single_element' is not defined

---

teacher (to chat_manager):

It seems that there is a NameError because the function find_single_element is not defined. Let's fix this issue.

Student, please make sure that the find_single_element function is defined before calling it. You can either move the function definition above the code that calls it or wrap the function definition and the code in a single cell.

Once you have made the necessary changes, please run the code again and let me know if the output is correct.

---

student (to chat_manager):

Apologies for the mistake. Let me fix it by moving the function definition above the code that calls it. Here's the updated code:

def find_single_element(nums):
    # Initialize variables to store the counts of each bit
    ones = 0
    twos = 0

    # Iterate through the array
    for num in nums:
        # Update the counts of each bit
        ones = (ones ^ num) & ~twos
        twos = (twos ^ num) & ~ones

    # The result will be the number that appears only once
    return ones

nums = [2, 2, 3, 2]
result = find_single_element(nums)
print(result)

Please run the code again and let me know if the output is correct.

---

EXECUTING CODE BLOCK 0 (inferred language is python)...
WARNING:root:SIGALRM is not supported on Windows. No timeout will be enforced.
executor (to chat_manager):

exitcode: 0 (execution succeeded)
Code output:
3

---

teacher (to chat_manager):

Well done, student! The code executed successfully and the output is correct. You have solved the fourth question correctly.

Now, let's move on to the fifth and final question:

Question 5:
Given a non-empty array of integers, every element appears twice except for two, which appear exactly once. Find the two single elements.

Example:
Input: [1, 2, 1, 3, 2, 5]
Output: [3, 5]

Please write a function called find_single_elements that takes in a list of integers nums and returns a list of the two single elements that appear only once.

You can start by writing the function signature and any necessary imports.

---

student (to chat_manager):

Sure! Here's the function find_single_elements that solves the problem:

def find_single_elements(nums):
    # XOR all the elements in the array
    xor_result = 0
    for num in nums:
        xor_result ^= num

    # Find the rightmost set bit in the XOR result
    rightmost_set_bit = xor_result & -xor_result

    # Initialize variables to store the two single elements
    single1 = 0
    single2 = 0

    # Divide the elements into two groups based on the rightmost set bit
    for num in nums:
        if num & rightmost_set_bit:
            single1 ^= num
        else:
            single2 ^= num

    # Return the two single elements
    return [single1, single2]

Now, let's test the function with the given example:

nums = [1, 2, 1, 3, 2, 5]
result = find_single_elements(nums)
print(result)

Please run the code and let me know if the output is correct.

---

EXECUTING CODE BLOCK 0 (inferred language is python)...
WARNING:root:SIGALRM is not supported on Windows. No timeout will be enforced.

EXECUTING CODE BLOCK 1 (inferred language is python)...
WARNING:root:SIGALRM is not supported on Windows. No timeout will be enforced.
executor (to chat_manager):

exitcode: 1 (execution failed)
Code output:

Traceback (most recent call last):
File "", line 2, in
result = find_single_elements(nums)
^^^^^^^^^^^^^^^^^^^^
NameError: name 'find_single_elements' is not defined

---

teacher (to chat_manager):

It seems that there is a NameError because the function find_single_elements is not defined. Let's fix this issue.

Student, please make sure that the find_single_elements function is defined before calling it. You can either move the function definition above the code that calls it or wrap the function definition and the code in a single cell.

Once you have made the necessary changes, please run the code again and let me know if the output is correct.

---

student (to chat_manager):

Apologies for the mistake. Let me fix it by moving the function definition above the code that calls it. Here's the updated code:

def find_single_elements(nums):
    # XOR all the elements in the array
    xor_result = 0
    for num in nums:
        xor_result ^= num

    # Find the rightmost set bit in the XOR result
    rightmost_set_bit = xor_result & -xor_result

    # Initialize variables to store the two single elements
    single1 = 0
    single2 = 0

    # Divide the elements into two groups based on the rightmost set bit
    for num in nums:
        if num & rightmost_set_bit:
            single1 ^= num
        else:
            single2 ^= num

    # Return the two single elements
    return [single1, single2]

nums = [1, 2, 1, 3, 2, 5]
result = find_single_elements(nums)
print(result)

Please run the code again and let me know if the output is correct.

---

EXECUTING CODE BLOCK 0 (inferred language is python)...
WARNING:root:SIGALRM is not supported on Windows. No timeout will be enforced.
executor (to chat_manager):

exitcode: 0 (execution succeeded)
Code output:
[3, 5]

---

teacher (to chat_manager):

Excellent job, student! The code executed successfully and the output is correct. You have successfully solved all 5 questions.

[COMPLETE]

Well done on completing the task! If you have any more questions or need further assistance, feel free to ask.

---

Admin (to chat_manager):

TERMINATE

## Checks

• I've included any doc changes needed for https://microsoft.github.io/autogen/. See https://microsoft.github.io/autogen/docs/Contribute#documentation to build and test documentation locally.
• I've added tests (if relevant) corresponding to the changes introduced in this PR.
• I've made sure all auto checks have passed.

[codecov-commenter]

Codecov Report

Merging #102 (adb83db) into main (ae497a0) will decrease coverage by 0.26%.
The diff coverage is 42.62%.

@@            Coverage Diff             @@
##             main     #102      +/-   ##
==========================================
- Coverage   41.03%   40.77%   -0.26%     
==========================================
  Files          17       17              
  Lines        2091     2136      +45     
  Branches      469      483      +14     
==========================================
+ Hits          858      871      +13     
- Misses       1156     1182      +26     
- Partials       77       83       +6     

Flag	Coverage Δ
unittests	40.68% <42.62%> (-0.26%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
autogen/agentchat/groupchat.py	55.45% <42.62%> (-18.40%)	⬇️

[qingyun-wu]

Hi @LittleLittleCloud, do you have a plan to further update this PR?