
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
Given $f(x)=a- \frac {2}{2^{x}+1}$, where $x∈R$ and $a$ is a constant.
1. Find the value of $a$ if $f(x)$ is an odd function.
2. Find the range of real number $a$ if the inequality $f(x)+a > 0$ always holds.

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