sre-tests

t0.py

"""
http://www.careercup.com/question?id=5127611667709952
"""

RowSize = 5
Data    = [['a', 'b', 'c', 'd', 'e'], 
           ['f', 'g', 'h', 'i', 'j'], 
           ['k', 'l', 'm', 'n', 'o'], 
           ['p', 'q', 'r', 's', 't'], 
           ['u', 'v', 'w', 'x', 'y'], 
           ['z', ' '] ]

SEQUENCE = 'CON'


def calculated_position(character):
    """ :return: (y, x) """
    return list(divmod(ord(character.upper()) - ord('A'), RowSize))

def navigate(src, dst):
    """
    """
    def navigate_field(positive, negative, index):
        while src[index] != dst[index]:
            if src[index] < dst[index]:
                src[index] += 1
                print(positive)
            elif src[index] > dst[index]:
                src[index] -= 1
                print(negative)
    
    navigate_field('D', 'U', 0)
    navigate_field('R', 'L', 1)
    print('OK')

def main():
    current_position = [0, 0]
    
    for character in SEQUENCE:
        destination = calculated_position(character)
        navigate(current_position, destination)
        current_position = destination


if __name__ == '__main__':
    main()