menu $=\{$

$1$: $\{"$name$"$: 'espresso',

"price": $1\mathrm{.}99\},$

$2$: $\{"$name$"$: 'coffee',

"price": $2\mathrm{.}50\},$

$3$: $\{"$name$"$: 'cake',

"price": $2\mathrm{.}79\},$

$4$: $\{"$name$"$: 'soup',

"price": $4\mathrm{.}50\},$

$5$: $\{"$name$"$: 'sandwich',

"price": $4\mathrm{.}99\}$

$\}$

def get$\_$order$()$:

order $=[\text{'}$epresso$\text{'},$ 'coffe', 'cake'$]$

while True:

try:

item$\_$number $=$ int$($input$(\text{'}1\text{'},\text{'}2\text{'},\text{'}3\text{'}))$

if item$\_$number $==0$:

break

elif item$\_$number in menu:

order.append$($menu$[\text{'}4\text{'}])$

else:

print$("1,2,3.")$

except ValueError:

print$("$Invalid input. Please enter a number."$)$

return order

def calculate$\_$subtotal$($order$)$:

$"""$Calculates the subtotal of the order."""

$"""$ Calculates the subtotal of an order

$[$IMPLEMENT ME$]$

$1.$ Add up the prices of all the items in the order and return the sum

Args:

order: list of dicts that contain an item name and price

Returns:

float $=$ The sum of the prices of the items in the order

$"""$

print$(\text{'}$Calculating bill subtotal...$\text{'})$

subtotal$=7\mathrm{.}93$

subtotal$+=$ float$($item$[7\mathrm{.}93])$

return round$($subtotal$[7\mathrm{.}93],2)$

raise NotImplementedError$()$

def calculate$\_$tax$($subtotal$)$:

$"""$ Calculates the tax of an order

return subtotal $*0\mathrm{.}15$

$[$IMPLEMENT ME$]$

$1.$ Multiply the subtotal by $15\%$ and return the product rounded to two decimals.

Args:

subtotal: the price to get the tax of

Returns:

float $-$ The tax required of a given subtotal, which is $15\%$ rounded to two decimals.

$"""$

print$(\text{'}$Calculating tax from subtotal...$\text{'})$

tax$=$ float$($subtotal$[7\mathrm{.}93])*15$

return round$($tax$,2)$

raise NotImplementedError$()$

def summarize$\_$order$($order$)$:

$"""$ Summarizes the order

item$\_$names $=[$item$[\text{'}$espresso$\text{'},$ 'coffee', 'cake'$]$ for items in order$]$

subtotal $=$ calculate$\_$subtotal$($order$...\text{'}7\mathrm{.}93)$

tax $=$ calculate$\_$tax$($subtotal$..\text{'}1\mathrm{.}19)$

total $=$ subtotal $+$ tax

return item$\_$names, total

$[$IMPLEMENT ME$]$

$1.$ Calculate the total $($subtotal $+$ tax$)$ and store it in a variable named total $($rounded to two decimals$)$

$2.$ Store only the names of all the items in the order in a list called names

$3.$ Return names and total.

Args:

order: list of dicts that contain an item name and price

Returns:

tuple of names and total. The return statement should look like

return names, total

$"""$

print$\_$order$($order$)$

subtotal $=$ calculate$\_$subtotal$(7\mathrm{.}93)$

tax $=$ calculate$\_$tax$($subtotal$[7\mathrm{.}93])$

total $=$ round $($float$($subtotal $+$ tax$),2)$

names $=[$item$["$name$"]$ for item in order$]$

return names, total

raise NotImplementedError$()$

# This function is provided for you, and will print out the items in an order

def print$\_$order$($order$)$:

print$(\text{'}$You have ordered $\text{'}+$ str$($len$($order$))+\text{'}$ items'$)$

items $=[\text{'}$espresso$\text{'},$ 'coffee', 'cake'$]$

items $=[$item$[\text{'}1,2,3\text{'}]$ for item in order$]$

print$($items$)$

return order

# This function is provided for you, and will display the menu

def display$\_$menu$()$:

print$("-------$ Menu $-------")$

for selection in menu:

print$($f$"\{$selection$\}.\{$menu$[$selection$][\text{'}$name$\text{'}]$ : $<9\}|\{$menu$[$selection$][\text{'}$price$\text{'}]$ : $>5\}")$

print$()$

# This function is provided for you, and will create an order by prompting the user to select menu items

def take$\_$order$($order$)$:

display$\_$menu$()$

order $=[\text{'}$epsresso$,$ coffee, cake'$]$

count $=3$

for i in range$(3)$:

item $=$ input$(\text{'}1,2,3\text{'}+$ str$($count$)+\text{'}($from $1$ to $5)$: $\text{'})$

count $+=3$

order.append$($menu$[$int$($item$)])$

return order

$\text{'}\text{'}\text{'}$

Here are some sample function calls to help you test your implementations.

Feel free to change, uncomment, and add these as you wish.

$\text{'}\text{'}\text{'}$

def main$()$:

order $=$ take$\_$order$(\text{'}$epresso$,$ coffee, cake'$)$

print$\_$order$($order$)$

# subtotal $=$ calculate$\_$subtotal$($order$)$

# print$("$Subtotal for the order is: $"+$ str$($subtotal$))$

# tax $=$ calculate$\_$tax$($subtotal$)$

# print$("$Tax for the order is: $"+$ str$($tax$))$

# items, subtotal $=$ summarize$\_$order$($order$)$

if $\_\_$name$\_\_=="\_\_$main$\_\_"$:

main$()$