from typing import List


def get_groups(numbers: List[int]) -> List[List[int]]:
    """Take a list of increasing ints and return groups of consecutive numbers.

    Parameters
    ----------
    numbers: List[int]
        A list of integers in increasing order

    Returns
    -------
    groups: List[List[int]]
        A list of groups consisting of consecutive numbers
    """
    groups = []
    tmp = [numbers[0]]
    if len(numbers) > 1:
        for idx, value in enumerate(numbers[1:], start=1):
            if value == numbers[idx - 1] + 1:
                tmp.append(value)
            else:
                groups.append(tmp)
                tmp = [value]
    groups.append(tmp)
    return groups