class Cart:

$$ passengers $=[]$

class Rollercoaster:

$$ carts $=[]$

cart$1=$ Cart$()$

cart$1.$passengers.append$("$Alice$")$

cart$1.$passengers.append$("$Bob$")$

cart$2=$ Cart$()$

cart$2.$passengers.append$("$Charlie$")$

cart$2.$passengers.append$("$David$")$

cart$3=$ Cart$()$

cart$3.$passengers.append$("$Edward$")$

cart$3.$passengers.append$("$George$")$

r$1=$ Rollercoaster$()$

r$1.$carts.append$($cart$1)$

r$1.$carts.append$($cart$2)$

r$1.$carts.append$($cart$3)$

print$($r$1.$carts$[2].$passengers$)$

Question $9$ options:

$[\text{'}$Alice$\text{'},$ 'Bob', 'Charlie', 'David'$]$

$[\text{'}$Alice$\text{'},$ 'Bob', 'Edward', 'George'$]$

$[\text{'}$Charlie$\text{'},$ 'David', 'Edward', 'George'$]$

$[\text{'}$Alice$\text{'},$ 'Bob'$]$

$[\text{'}$Charlie$\text{'},$ 'David'$]$

$[\text{'}$Alice$\text{'},$ 'Bob', 'Charlie', 'David', 'Edward', 'George'$]$

$[\text{'}$Edward$\text{'},$ 'George'$]$

Question $10(10$ points$)$

$$