(fields, matrix)
Pretty prints a matrix of data.
Pretty prints a matrix of data.
Pretty prints a matrix of data .
def pretty_print(fields, matrix):
    # type: (List[str], List[List[Any]]) -> None
    '''Pretty prints a matrix of data.'''
    contents = [fields] + matrix
    contents = [[str(i) for i in row] for row in contents]
    # Pretty print rows
    # Find maximum length for each column in the context matrix
    lens = [max([len(item) for item in col]) for col in zip(*contents)]
    # Prepare formatting string for column sizes
    fmt = ' | '.join('{{:{}}}'.format(x) for x in lens)
    # Apply formatting to each row in the context string
    table = [fmt.format(*row) for row in contents]
    # Add header separator
    table.insert(1, '-' * len(table[0]))
    # Join lines with newline
    result = '\n'.join(table)

    print result
def pretty_print ( fields , matrix ) : # type: (List[str], List[List[Any]]) -> None contents = [ fields ] + matrix contents = [ [ str ( i ) for i in row ] for row in contents ] # Pretty print rows # Find maximum length for each column in the context matrix lens = [ max ( [ len ( item ) for item in col ] ) for col in zip ( * contents ) ] # Prepare formatting string for column sizes fmt = ' | ' . join ( '{{:{}}}' . format ( x ) for x in lens ) # Apply formatting to each row in the context string table = [ fmt . format ( * row ) for row in contents ] # Add header separator table . insert ( 1 , '-' * len ( table [ 0 ] ) ) # Join lines with newline result = '\n' . join ( table ) print result