helper/helper.py
def maxval_of_2dlist(ll):
    """
    Get maximum value in a list of lists.
    :param ll: 2D list
    :return: max value in the 2D list
    """
    maxval = 0
    for l in ll:
        maxval = max(l)
    return maxval

    Get maximum value in a list of lists.
    :param ll: 2D list
    :return: max value in the 2D list
    
Get maximum value in a list of lists.
Get maximum value in a list of lists .
def maxval_of_2dlist(ll):
    maxval = 0
    for l in ll:
        maxval = max(l)
    return maxval
def maxval_of_2dlist ( ll ) : maxval = 0 for l in ll : maxval = max ( l ) return maxval
Get maximum value in a list of lists.
Get maximum value in a list of lists .
"""
    Get maximum value in a list of lists.
    :param ll: 2D list
    :return: max value in the 2D list
    """
max value in the 2D list
max value in the 2D list
ll
None