def removeDuplicates(nums):
    """
    Remove duplicates from a list of integers and return the length of the resulting list.
    
    Args:
        nums (List[int]): A list of integers
        
    Returns:
        int: The length of the resulting list after removing duplicates
        
    Example:
        >>> removeDuplicates([1,1,1,2,2,3])
        3
    """
    k = len(nums)  # Initialize k with the length of the input list nums
    
    for i in range(len(nums)):
        tempNum = 0
        # Iterate over the elements of nums starting from index i
        for j in range(i+1, len(nums)):
            temp = nums[i]
            if temp == nums[j]:  # Check if a duplicate element is found
                tempNum += 1
                if tempNum > 1 and nums[j] != float('inf'):
                    # If it's the second occurrence and the element is not already marked as 'inf',
                    # mark it as 'inf' to indicate it as a duplicate and decrement k by 1
                    nums[j] = float('inf')
                    k -= 1
    
    nums.sort()  # Sort the list in ascending order
    return k  # Return the length of the resulting list without duplicates