Find the value of the following expression:

$$\left| \, |{ -|{-1 + 1}| - 1 }| + 1\right|.$$
Question:
Find the value of the following expression:

$$\left| \, |{ -|{-1 + 1}| - 1 }| + 1\right|.$$
Answer:
Let's think step by step.

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2
Find the value of the following expression:

$$\left| \, |{ -|{-1 + 1}| - 1 }| + 1\right|.$$
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