1. 心形字符

print('n'.join([''.join([('IloveU'[(x-y)%len('IloveU')] if ((x*0.05)**2 + (y*0.1)**2 - 1)**3 - (x*0.05)**2 * (y*0.1)**3 <= 0 else ' ') for x in range(-30, 30)]) for y in range(15, -15, -1)]))

「输出」

            eUIloveUI           IloveUIlo
        loveUIloveUIloveU   veUIloveUIloveUIl
      IloveUIloveUIloveUIloveUIloveUIloveUIlove
     IloveUIloveUIloveUIloveUIloveUIloveUIloveUI
    IloveUIloveUIloveUIloveUIloveUIloveUIloveUIlo
    loveUIloveUIloveUIloveUIloveUIloveUIloveUIlov
    oveUIloveUIloveUIloveUIloveUIloveUIloveUIlove
    veUIloveUIloveUIloveUIloveUIloveUIloveUIloveU
    eUIloveUIloveUIloveUIloveUIloveUIloveUIloveUI
    UIloveUIloveUIloveUIloveUIloveUIloveUIloveUIl
     loveUIloveUIloveUIloveUIloveUIloveUIloveUIl
      veUIloveUIloveUIloveUIloveUIloveUIloveUIl
      eUIloveUIloveUIloveUIloveUIloveUIloveUIlo
        loveUIloveUIloveUIloveUIloveUIloveUIl
         veUIloveUIloveUIloveUIloveUIloveUIl
          UIloveUIloveUIloveUIloveUIloveUIl
            oveUIloveUIloveUIloveUIloveUI
              UIloveUIloveUIloveUIloveU
                oveUIloveUIloveUIlove
                   IloveUIloveUIlo
                      eUIloveUI
                         ove
                          e




  

2. 9*9乘法口诀表

print('n'.join([' '.join(['%s*%s=%-2s' % (y, x, x*y) for y in range(1, x+1)]) for x in range(1, 10)]))

「输出」

1*1=1
1*2=2  2*2=4
1*3=3  2*3=6  3*3=9
1*4=4  2*4=8  3*4=12 4*4=16
1*5=5  2*5=10 3*5=15 4*5=20 5*5=25
1*6=6  2*6=12 3*6=18 4*6=24 5*6=30 6*6=36
1*7=7  2*7=14 3*7=21 4*7=28 5*7=35 6*7=42 7*7=49
1*8=8  2*8=16 3*8=24 4*8=32 5*8=40 6*8=48 7*8=56 8*8=64
1*9=9  2*9=18 3*9=27 4*9=36 5*9=45 6*9=54 7*9=63 8*9=72 9*9=81

3. 无限个微笑

while True: import random; print(random.choice([' :-)', ' :~)', ' :D', ' :]']), end='')

4.目录扫描

import os; [print(os.path.join(dp, f)) for dp, dn, filenames in os.walk('.') for f in filenames]

5. Hello_World!(js代码)

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