my arrays

//associative array
var userGrades:[String:Int] = [:]
userGrades["Neo"]=0
userGrades["Shlomi"]=100 //becuase i affraid from shlomi
userGrades["Gal"]=100
userGrades["Faiz"]=100
userGrades["Michel"]=60 //becuase i am a racist

print (userGrades)
userGrades["Michel"]=65
print (userGrades)

print (userGrades["Shlomi"]!)


var userId:[Int:String] = [:]
userId[723784]="Neo"
userId[387234]="Faiz"

print (userId)
print ("\(userId[723784]!) wants badly \(userId[387234]!)")

//set - stores only unique values
var mySet = Set<String>()
mySet.insert("zeev")
mySet.insert("nipo")
mySet.insert("amital")
mySet.insert("nipo")

print (mySet)
print (mySet.count)
var check=mySet.contains("nipo")
print ("we have the dog here? \(check)")


//if commands
if mySet.contains("neo") && mySet.contains("zeev")
{
    print ("nipo is still alive, how sad")
}
else
{
    print ("finnaly, freedom !!!!")
}