擅长:python、mysql、java
<p>使用<code>format</code>/<code>f</code>和字符串格式(<a href="https://docs.python.org/3.7/library/string.html#format-examples" rel="nofollow noreferrer">docs</a>):</p>
<pre><code>for zstr in zw:
zdec = Decimal(zstr)
print (zstr, ":", f'{zdec:.8f}')
0 : 0.00000000
0.0 : 0.00000000
0.00 : 0.00000000
0.000000 : 0.00000000
.00000000 : 0.00000000
0.00000000 : 0.00000000
0.000000000000 : 0.00000000
</code></pre>