print_cells.py

def print_cells(*rows, format:Callable[[Any],str]=repr,file=None) -> None:
    # Convert it all to text
    text_rows = [
        [format(cell) for cell in row]
        for row in rows
    ]
    
    # Calculate column width
    widths = [
        max(len(cell) for cell in column)
        for column in zip(*text_rows)
    ]

    # Print rows
    for row in text_rows:
        for width, cell in zip(widths, row):
            print(f'{{:<{width:d}}} '.format(cell), end='', file=file)
        print(file=file)

print_cells([(1,2), (3,4), (5,6)])
# prints
# 1 3 5
# 2 4 6

Do yourself (myself, once I read this in the future) and use https://pypi.org/project/wcwidth/.