擅长:python、mysql、java
<p>下面是一个使用lambda的变体:</p>
<pre><code>def replace(items: list, value: int) -> list:
"""takes a list of lists of strings and an int"""
func = lambda x, y: x + str(y)
for i, sublist in enumerate(items):
tempA = []
for sequence in sublist:
tempB = [func(sequence, x) for x in range(value)]
tempA.extend(tempB)
items[i] = tempA
return items
</code></pre>