
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
There exists a sequence of numbers $a_{1}$, $a_{2}$, $a_{3}$, $\ldots$, $a_{n}$, $\ldots$ that satisfies the following conditions: $a_{1}=\frac{1}{2}$, $a_{n}=\frac{1}{1-{a}_{n-1}}$ (for $n\geqslant 2$ and $n$ is an integer). Find:<br/>
$(1) a_{2}=$______;<br/>
$(2) a_{1}+a_{2}+a_{3}+\ldots +a_{2023}=\_\_\_\_\_\_$.

Present the answer in LaTex format: \boxed{Your answer}
user