What is the expected output of the following code?

train speed $["$FlyingScotsman$"$: $201,"$TGV$"$: $320,$ "Shinkansen": $32$

for train in train speed.items$()$: print $($train$[0],$ end$-"")$

Options are$-$

FTS

FlyingScotsmanTGVShinkansen

$233$

The code is erroneous and cannot be run.