Consider the following code:

def tryIt$($a$)$:

$$ for i in range$($len$($a$))$:

$$ a$[$i$]=$ a$[$i$]+100$

#$***********$MAIN$************$

x $=[1,2,3]$

print$($x$)$

tryIt$($x$)$

print$($x$)$

$$

What is the output?