python爱心代码-输出文字

import time
words = "love"
print('\n')
for item in words.split():
    letterlist = []
    for y in range(12, -12, -1):
        list_X = []
        letters = ''
        for x in range(-30, 30):
            expression = ((x*0.05)**2+(y*0.1)**2-1)**3-(x*0.05)**2*(y*0.1)**3
            if expression <= 0:
                letters += item[(x-y) % len(item)]
            else:
                letters += ' '
        list_X.append(letters)
        letterlist += list_X
    print('\n'.join(letterlist))
    time.sleep(0.5)
print('\n                                           to 茂茂酱！！\n\n')