In this assignment you have to write a program that displays administrative information about students in the course Programming for Artists. Data about those students is once again stored in a file.

This is an example of such a file:

Piet van Gogh$\_\_\_567456$

$5=20=22=10=2=0=0=1=0=1$;Vincent Appel,Johannes Mondriaan

Karel van Rijn$\_\_\_7866$

$2=30=15=8=4=3=2=0=0=0$;

Herman Vermeer$\_4424566$

$9=10=10=5=1=1=0=0=0=1$;Johannes Brood

Johannes Brood$\_\_1$

$12=22=12=0=2=0=0=0=1=0$;Herman Vermeer

As you can see, this file contains two different types of lines. The first type of line is similar to the types of line that was used in the Geography Grades assignment. It contains the grades of a student, and has the following structure:

$\_$

You have to calculate the final grade of the student. Similar to the Geography Grades assignment, all grades have the same weight. There is however a small change in the way that the final grade is determined:

If the average grade is $>=5\mathrm{.}5$ and $<6,$ the final grade will be noted as $"6-".$

In all other cases, the final grade will be the average grade, rounded to the nearest half.

The second type of line contains information about which students handed in programs that are similar to the student of the previous line. It has the following structure:

$<10$ numbers separated by equals signs$>$;

The first $10$ numbers are the similarity scores. These scores represent the number of programs matching a certain percentage of the current program in steps of $10\%.$ This means the first numbers indicates the matches from $1\%-10\%$ and the last number indicates the matches from $91\%-100\%.$

Since this is not easy to read, you have to convert these numbers to a graph according to these rules:

If there are $0$ matches, display an underscore:$\_$

If there are less than $20$ matches, display a minus sign:$-$

If there are $20$ or more matches, display a caret:$^$

The names of the students after the semicolon are the names of the students with matches in the final $3$ categories. The names of these students should be printed under the graph. If there are no matches, the program should print$"$No matches found".

The output for the file shown above should be as follows:

Piet van Gogh has an average of $6-$

$-^^--\_\_-\_-$

Vincent Appel

Johannes Mondriaan

Karel van Rijn has an average of $7$

$-^-----\_\_\_$

No matches found

Herman Vermeer has an average of $4\mathrm{.}5$

$------\_\_\_-$

Johannes Brood

Johannes Brood has an average of $1$

$-^-\_-\_\_\_-\_$

Herman Vermeer

this is my code but i dont understand whats wrond$/$missing

def sum$\_$grades$($grades$)$:

result $=0\mathrm{.}0$

for grade in grades:

result $+=$ float$($grade$)$

return result

def calculate$\_$final$\_$grade$($grades$,$ sum$\_$grades$)$:

if sum$\_$grades $==0$:

return $0\mathrm{.}0$

average$\_$grade $=$ sum$\_$grades $/$ len$($grades$)$

if $5\mathrm{.}5<=$ average$\_$grade $<6\mathrm{.}0$:

final$\_$grade $=5\mathrm{.}75$

else:

final$\_$grade $=$ int$($float$($average$\_$grade $*2)+0\mathrm{.}5)/2$

return final$\_$grade

def process$\_$line$\_$grades$($line$)$:

parts $=$ line.split$("\_")$

name $=$ parts$[0]$

grades $=$ parts$[1].$split$().$strip$("\_")$

sumGrades $=$ sum$\_$grades$($grades$)$

final$\_$grade $=$ calculate$\_$final$\_$grade$($grades$,$ sumGrades$)$

return name, final$\_$grade

def process$\_$line$\_$similarity$($line$)$:

parts $=$ line.split$("$;$")$

similarity$\_$scores $=$ parts$[0].$split$("=")$

matches $=$ parts$[1].$split$(",")$

return similarity$\_$scores, matches

graph $=("")$

for score in similarity$\_$scores:

score $=$ int$($score$)$

if score $==0$:

graph $+="\_"$

elif score $<20$:

graph $+="-"$

else:

graph $+="^"$

return graph

file$\_$name $=$ input$("$Enter a file name: $")$

file $=$ open$($file$\_$name$).$read$()$

lines $=$ file.splitlines$()$

i $=0$

while i $<$ len$($lines$)$:

line $=$ lines$[$i$]$

if $"\_"$ in line:# if so it's a grades line

name, final$\_$grade $=$ process$\_$line$\_$grades$($line$)$

if final$\_$grade $==5\mathrm{.}75$:

final$\_$grade$\_$string $="6-"$

else:

final$\_$grade$\_$string $="\%\mathrm{.}1$f$"\%$ final$\_$grade

print $("\%$s has an average grade of $\%$s$"\%($name$,$ final$\_$grade$))$

if i $+1<$ len$($lines$)$ and $"="$ in lines$[$i $+1]$:

i $+=1$

graph, matches $=$ process$\_$line$\_$similarity$($lines$[$i$])$

print$("$graph$")$

if matches:

print$(""+"$

$".$join$($matches$))$

else:

print$("$ No matches found"$)$

i $+=1$