擅长:python、mysql、java
<p>使用reduce</p>
<pre><code>from datetime import datetime
from dateutil.relativedelta import relativedelta
from functools import reduce
date1 = datetime(2018, 4, 9).date()
date2 = datetime(2019, 8, 18).date()
date3 = datetime(2014, 2, 1).date()
date4 = datetime(2018, 12, 30).date()
myList = []
rdelta1 = relativedelta(date2, date1)
myList.append(rdelta1)
rdelta2 = relativedelta(date4, date3)
myList.append(rdelta2)
print(reduce(lambda x, y: x + y, myList))
</code></pre>