Print rectangles, squares and tables to the command line interface.

graphics_cli.py

#!/usr/bin/env python3.9

r_w3_h2 = """\
┌─┐
└─┘"""
r_w5_h3 = """\
┌───┐
│   │
└───┘"""
r_w7_h4 = """\
┌─────┐
│     │
│     │
└─────┘"""
r_w9_h5 = """\
┌───────┐
│       │
│       │
│       │
└───────┘"""
t_n1_m2_w3_h2 = """\
┌─┬─┐
└─┴─┘"""
t_n2_m1_w3_h2 = """\
┌─┐
├─┤
└─┘"""
t_n2_m2_w3_h2 = """\
┌─┬─┐
├─┼─┤
└─┴─┘"""
t_n2_m3_w3_h2 = """\
┌─┬─┬─┐
├─┼─┼─┤
└─┴─┴─┘"""
t_n3_m2_w3_h2 = """\
┌─┬─┐
├─┼─┤
├─┼─┤
└─┴─┘"""


def rectangle(w: int = 2, h: int = 2) -> list[list[str]]:
    w = max(2, w)
    h = max(2, h)
    r = [[' ' for x in range(w)] for y in range(h)]
    r[0][0], r[0][w - 1] = '┌', '┐'
    r[h - 1][0], r[h - 1][w - 1] = '└', '┘'
    r[0] = [c.replace(' ', '─') for c in r[0]]
    r[h - 1] = [c.replace(' ', '─') for c in r[h - 1]]
    for cc in r[1:-1]:
        cc[0] = cc[-1] = '│'
    return r


def square(h: int = 2) -> list[list[str]]:
    h = max(2, h)
    w = 2 * h - 1
    return rectangle(w, h)


def table(n: int = 1, m: int = 1, w: int = 3, h: int = 2) -> list[list[str]]:
    w = max(2, w)
    h = max(2, h)
    w1 = m * w - (m - 1)
    h1 = n * h - (n - 1)
    t = [[' ' for x in range(w1)] for y in range(h1)]
    t[0][0], t[0][w1 - 1] = '┌', '┐'
    t[h1 - 1][0], t[h1 - 1][w1 - 1] = '└', '┘'
    for i in range(h - 1, h1 - 1, h - 1):
        t[i][0], t[i][-1] = '├', '┤'
        for j in range(w - 1, w1 - 1, w - 1):
            t[i][j] = '┼'
        t[i] = [c.replace(' ', '─') for c in t[i]]
    for j in range(w - 1, w1 - 1, w - 1):
        t[0][j], t[-1][j] = '┬', '┴'
    t[0] = [c.replace(' ', '─') for c in t[0]]
    t[h1 - 1] = [c.replace(' ', '─') for c in t[h1 - 1]]
    for cc in t[1:-1]:
        for j in range(0, w1, w - 1):
            cc[j] = cc[j].replace(' ', '│')
    return t


def print_graphics(graphics: list[list[str]]):
    for line in graphics:
        print(''.join(line))


def main():
    print_graphics(rectangle(w=5, h=7))
    print_graphics(square(h=4))
    print_graphics(table(n=3, m=4, w=3, h=2))


if __name__ == '__main__':
    main()

$ python3 ./cli_graphics.py 
┌───┐
│   │
│   │
│   │
│   │
│   │
└───┘
┌─────┐
│     │
│     │
└─────┘
┌─┬─┬─┬─┐
├─┼─┼─┼─┤
├─┼─┼─┼─┤
└─┴─┴─┴─┘