heart.py

def heart(n):
    s = ""
    for i in range(n):
        s0 = " " * (n - i - 1)
        s1 = "*" * (i * 2 + 1)
        s2 = " " * (2 * (n - i) - 1)
        s3 = "*" * (i * 2 + 1)
        s4 = " " * (n - i - 1)
        s += s0 + s1 + s2 + s3 + s4 + "\n"
    for i in range(1, n * 2):
        s0 = " " * i
        s1 = "*" * (2 * (2 * n - i) - 1)
        s2 = " " * i
        s += s0 + s1 + s2 + "\n"
    return s