\pi
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What is the period of $y = \tan x + \cot x$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\pi
What is the period of $y = \tan x + \cot x$?
train