<p><a href="https://docs.python.org/3/library/itertools.html#itertools.product" rel="nofollow noreferrer">itertools.product</a>用于此。你知道吗</p>
<pre><code>import itertools
L1 = ["Eagle", "Panther"]
L2 = ["Warrior", "Talon", "Machete"]
L3 = ["Feather", "Raptor", "Hunter", "Piranha"]
for x in itertools.product(L1,L2,L3):
print(x)
</code></pre>
<p><strong>输出</strong></p>
<pre><code>('Eagle', 'Warrior', 'Feather')
('Eagle', 'Warrior', 'Raptor')
('Eagle', 'Warrior', 'Hunter')
('Eagle', 'Warrior', 'Piranha')
('Eagle', 'Talon', 'Feather')
('Eagle', 'Talon', 'Raptor')
('Eagle', 'Talon', 'Hunter')
('Eagle', 'Talon', 'Piranha')
('Eagle', 'Machete', 'Feather')
('Eagle', 'Machete', 'Raptor')
('Eagle', 'Machete', 'Hunter')
('Eagle', 'Machete', 'Piranha')
('Panther', 'Warrior', 'Feather')
('Panther', 'Warrior', 'Raptor')
('Panther', 'Warrior', 'Hunter')
('Panther', 'Warrior', 'Piranha')
('Panther', 'Talon', 'Feather')
('Panther', 'Talon', 'Raptor')
('Panther', 'Talon', 'Hunter')
('Panther', 'Talon', 'Piranha')
('Panther', 'Machete', 'Feather')
('Panther', 'Machete', 'Raptor')
('Panther', 'Machete', 'Hunter')
('Panther', 'Machete', 'Piranha')
</code></pre>