擅长:python、mysql、java
<p>存在<code>decimal</code>模块,用于<em>十进制</em>,即基数为10的表示。对于具有任意精度数字的计算,请使用<code>int</code>和<a href="https://docs.python.org/3/library/fractions.html" rel="nofollow noreferrer">^{<cd3>}</a></p>
<pre><code>from fractions import Fraction
s = 300_000
x = 1
n = 1
for i in range(s, 1, -1):
x *= i
n += x
result = Fraction(n, x) + 1
# Display approximate value (the raw value is huge)
print(float(result)) # 2.718281828459045
</code></pre>