arc

By Sanal L S
import math

def path(d, stroke_width=1, fill="none", stroke="black"):
    return Shape("path", d=d, stroke_width=stroke_width, fill=fill, storke=stroke)

# Drawing an arc is tricky in SVG. 
# The following function tries to simplify drawing an arc.
# https://developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths#arcs
def arc(angle, **kwargs):
    x = 100 * math.cos(math.radians(angle))
    y = 100 * math.sin(math.radians(angle))
    long_flag = int(angle > 180)
    d = f"M 100 0 A 100 100 0 {long_flag} 1 {x} {y}"
    return path(d, **kwargs)

shape = combine([arc(90),line(x1=0,y1=0,x2=100,y2=0),line(x1=0,y1=0,x2=0,y2=100)])
show(shape)