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YouThe loop is infinite, because the result of Append is the new list, not the modification of existing.

Documentation:

Append[expr,elem]
  gives expr with elem appended.

And:

AppendTo[s,elem]
  appends elem to the value of s, and resets s to the result.

So, you either need to reassign the value of Append or use AppendTo:

list={1};
n=2;
While[Last@list<10,list=Append[list,n];n++]

Or:

list={1};
n=2;
While[Last@list<10,AppendTo[list,n];n++]

Both will yield the same result.

You either need to reassign the value of Append or use AppendTo:

list={1};
n=2;
While[Last@list<10,list=Append[list,n];n++]

Or:

list={1};
n=2;
While[Last@list<10,AppendTo[list,n];n++]

Both will yield the same result.

The loop is infinite, because the result of Append is the new list, not the modification of existing.

Documentation:

Append[expr,elem]
  gives expr with elem appended.

And:

AppendTo[s,elem]
  appends elem to the value of s, and resets s to the result.

So, you either need to reassign the value of Append or use AppendTo:

list={1};
n=2;
While[Last@list<10,list=Append[list,n];n++]

Or:

list={1};
n=2;
While[Last@list<10,AppendTo[list,n];n++]

Both will yield the same result.

1
source | link

You either need to reassign the value of Append or use AppendTo:

list={1};
n=2;
While[Last@list<10,list=Append[list,n];n++]

Or:

list={1};
n=2;
While[Last@list<10,AppendTo[list,n];n++]

Both will yield the same result.