If $\displaystyle{f(x)=x^{(x+1)}(x+2)^{(x+3)}}$, then find the value of $f(0)+f(-1)+f(-2)+f(-3)$.
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<|im_start|>user
If $\displaystyle{f(x)=x^{(x+1)}(x+2)^{(x+3)}}$, then find the value of $f(0)+f(-1)+f(-2)+f(-3)$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\frac{10}{9}
If $\displaystyle{f(x)=x^{(x+1)}(x+2)^{(x+3)}}$, then find the value of $f(0)+f(-1)+f(-2)+f(-3)$.
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