Append• Append[expr, elem] gives expr with elem appended. • Example: Append[{a, b}, c]   .
• See also: Prepend.
 Examples Using InstantCalculatorsHere are the InstantCalculators for the Append function. Enter the parameters for your calculation and click Calculate to see the result.
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Entering Commands DirectlyYou can paste a template for the command via the Text Input button on the Append Function Controller. This appends x to {a, b}.
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If you are iteratively building a list, it is usually more efficient to use {list, new} at each step, followed by Flatten at the end, than to use Append[list, new] at each step.
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Clear the variable definition.
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