test plan for :# Write your count$\_$type function below: $(2$ marks$)$

#$********************************************$

def count$\_$type$($map$\_$data, map$\_$type$)$:

return sum$($row$.$count$($map$\_$type$)$ for row in map$\_$data$)$

# Count the number of times map$\_$type occurs in map$\_$data

#$********************************************$

# Write your classify$\_$map function below: $(4$ marks$)$

#$********************************************$

def classify$\_$map$($map$\_$data$)$:

total$\_$cells $=$ sum$($len$($row$)$ for row in map$\_$data$)$

if count$\_$type$($map$\_$data, $\text{'}$R$\text{'})>$ total$\_$cells$/2$:

return 'Suburban'

elif count$\_$type$($map$\_$data, $\text{'}$A$\text{'})>$ total$\_$cells$/2$:

return 'Farmland'

elif count$\_$type$($map$\_$data, $\text{'}$U$\text{'})+$ count$\_$type$($map$\_$data, $\text{'}$W$\text{'})>$ total$\_$cells$/2$:

return 'Conservation'

elif count$\_$type$($map$\_$data, $\text{'}$C$\text{'})>$ total$\_$cells$/2$ and $0\mathrm{.}1<=($count$\_$type$($map$\_$data, $\text{'}$U$\text{'})+$ count$\_$type$($map$\_$data, $\text{'}$A$\text{'}))/$ total$\_$cells $<=0\mathrm{.}2$:

return 'City'

else:

return 'Mixed'

#$********************************************$

# Write your isolate$\_$type function below: $(2$ marks$)$

#$********************************************$

def isolate$\_$type$($map$\_$data, map$\_$type$)$:

return $[[$cell if cell $==$ map$\_$type else $\text{'}\text{'}$ for cell in row$]$ for row in map$\_$data$]$

# Create a new list of lists where non map$\_$type entries are replaced with $""$

#$********************************************$

# Write your commercially$\_$buildable function below: $(2$ marks$)$

#$********************************************$

def commercially$\_$buildable$($map$\_$data, i$,$ j$)$:

if i $==0$ or j $==0$ or i $==$ len$($map$\_$data$)-1$ or j $==$ len$($map$\_$data$[0])-1$: # Check if the cell is not on the edge

return False

if map$\_$data$[$i$][$j$]!=\text{'}$U$\text{'}$: # Check if the cell has map type U

return False

# Check adjacent cells for map types R and A

for di$,$ dj in $[(-1,0),(1,0),(0,-1),(0,1)]$:

if map$\_$data$[$i $+$ di$][$j $+$ dj$]$ in $[\text{'}$R$\text{'},\text{'}$A$\text{'}]$:

return False

return True

# If all checks pass, the cell is commercially buildable return true