22、输出固定位数的数字
<pre><code>
def teurl():
for i in range(0,20):
url = 'film_%05d.ts' % i
print(url)
</code></pre>
<pre><code>
film_00000.ts
film_00001.ts
film_00002.ts
film_00003.ts
film_00004.ts
film_00005.ts
film_00006.ts
film_00007.ts
film_00008.ts
film_00009.ts
film_00010.ts
film_00011.ts
film_00012.ts
film_00013.ts
film_00014.ts
film_00015.ts
film_00016.ts
film_00017.ts
film_00018.ts
film_00019.ts
</code></pre>