Need this code to read information from file. courseInformation.txt this is a hash table i am having trouble with the program reading from the file please help

#include

#include

#include

#include

$//$ Define a structure for Course details

struct Course $\{$

std::string name;

std::vector prerequisites;

$\}$;

$//$ Function to load courses into the hash table

void loadCourses$($std::unordered$\_$map& courses$)\{$

courses$["$CSC$100"]=\{"$Introduction to Computer Science", $\{\}\}$;

courses$["$CSCI$101"]=\{"$Introduction to Programming in C$++",\{\}\}$;

courses$["$CSCI$200"]=\{"$Data Structures", $\{"$CSCI$101"\}\}$;

courses$["$CSC$1301"]=\{"$Advanced Programming in C$++",\{"$CSCI$101"\}\}$;

courses$["$CSC$1300"]=\{"$Introduction to Algorithms", $\{"$CSCI$200"\}\}$;

courses$["$CSC$1350"]=\{"$Operating Systems", $\{"$CSCI$200"\}\}$;

courses$["$CSC$1400"]=\{"$Large Software Development", $\{"$CSCI$301",$ "CSCI$350"\}\}$;

courses$["$MATH$201"]=\{"$Discrete Mathematics", $\{\}\}$;

std::cout $<<$ "Data structure loaded successfully." $<<$ std::endl;

$\}$

$//$ Function to print the list of courses

void printCourseList$($const std::unordered$\_$map& courses$)\{$

std::cout $<<$ "Here is a sample schedule:" $<<$ std::endl;

for $($const auto& pair : courses$)\{$

std::cout $<<$ pair.first $<<","<<$ pair.second.name $<<$ std::endl;

$\}$

$\}$

$//$ Function to print details of a specific course

void printCourse$($const std::unordered$\_$map& courses$)\{$

std::string courseId;

std::cout $<<$ "What course do you want to know about? $"$;

std::cin $>>$ courseId;

auto it $=$ courses.find$($courseId$)$;

if $($it $!=$ courses.end$())\{$

std::cout $<<$ it$->$first $<<","<<$ it$->$second.name $<<$ std::endl;

if $(!$it$->$second.prerequisites.empty$())\{$

std::cout $<<$ "Prerequisites: $"$;

for $($const std::string& prereq : it$->$second.prerequisites$)\{$

std::cout $<<$ prereq $<<""$;

$\}$

std::cout $<<$ std::endl;

$\}$

$\}$ else $\{$

std::cout $<<$ "Course not found." $<<$ std::endl;

$\}$

$\}$

int main$()\{$

std::unordered$\_$map courses;

int choice;

while $($true$)\{$

std::cout $<<$ "Welcome to the course planner." $<<$ std::endl;

std::cout $<<"1.$ Load Data Structure." $<<$ std::endl;

std::cout $<<"2.$ Print Course List." $<<$ std::endl;

std::cout $<<"3.$ Print Course." $<<$ std::endl;

std::cout $<<"9.$ Exit" $<<$ std::endl;

std::cout $<<$ "What would you like to do$?"$;

std::cin $>>$ choice;

switch $($choice$)\{$

case $1$:

loadCourses$($courses$)$;

break;

case $2$:

printCourseList$($courses$)$;

break;

case $3$:

printCourse$($courses$)$;

break;

case $9$:

std::cout $<<$ "Thank you for using the course planner." $<<$ std::endl;

return $0$;

default:

std::cout $<<$ choice $<<"$ is not a valid option." $<<$ std::endl;

$\}$

$\}$

return $0$;

$\}$