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$-$

FlyingScotsmanTGVShinkansen

$233$

FTS

The code is erroneous and cannot be run.