擅长:python、mysql、java
<pre><code>height = 5
inicial = 2
for l in range(initial, height):
line = ''.join(
str( max(l-i, i-l)+1 ) for i in range(2*l+1)
)
# {:^35} centers a string within 35 characters, look up python string formatting
print( '{:^35}'.format(line) )
</code></pre>
<p><strong>输出</strong></p>
^{pr2}$