Trace the values of this code. If a variable is not yet defined, put an $"$X$"($without quotes$).$

$1|$ a $=100$

$2|$ if a $>100$:

$3|$ b $=2$

$4|$ else:

$5|$ b $=3$

$6|$ a $=$ a $*$ b

$7|$ if a $>100$:

$8|$ if a $<150$:

$9|$ b $=0$

$10|$ a $=$ a $*$ b

step line a b

$11100$ X

$22100$

$3$

$100$

$46$

$5$

$6$

$7$