Lab7 Class and method

class student:
    def __init__(self, st_name, st_id, st_age, st_weight, st_height):
        self.name = st_name
        self.id = st_id
        self.age = st_age
        self.weight = st_weight
        self.height = st_height
    def stData(self):
        print("Name :",self.name)
        print("ID :",self.id)
        print("Age :",self.age)
        print("Weight :",self.weight)
        print("Height :",self.height)
       
    def getWeight(self):
        return self.weight
    def getHeight(self):
        return self.height
    def getAge(self):
        return self.age
    def getID(self):
        return self.id
       
 

def setup():
   
    tar = student("tar",10012,21,69,179)
    tape = student("tape",10032,21,90,174)
    bas = student("bas",10075,19,69,175)
    top = student("top",10091,21,92,178)
    karn = student("karn",10130,18,60,184)
    st_record = [top,tape,tar,karn,bas]
 
    displayStData(st_record)
    showBmi(st_record)
    showAge(st_record)
    sortRecord(st_record)
    stWeight(st_record)
             
def displayStData(student):
    i = 0
    while i < len(student):
        student[i].stData()
        print("------------------------")
        i+=1

def showBmi(student):
    i = 0
    count = 1
    while i < len(student):
        #bmi=float("{0:.2f}".format(student[i].getWeight()/((student[i].getHeight()/100)**2)))
        bmi=float(format(student[i].getHeight()/((student[i].getHeight()/100)**2),'.2f'))
        #bmi = student[i].getWeight()/(student[i].getHeight()/100)**2
        if bmi > 25:
            print("No :",count)
            student[i].stData()
            print("Bmi :",bmi)
            print("------------------------")
            count+=1
        i+=1

def showAge(student):
    i = 0
    count = 0
    sum_age = 0
    while i < len(student):
        sum_age += student[i].getAge()
        if student[i].getAge() < 30:
            count+=1
        i+=1
    avg_age = sum_age/len(student)
    print("Average age of students :",avg_age)
    print("------------------------")

def sortRecord(student):  
    i = 0
    while i < len(student) :
        if i!=len(student)-1 and student[i].getAge() > student[i+1].getAge():
            j = i
            while j >= 0:
                if student[j].getAge() > student[j+1].getAge():
                    dataCopy = student[j]
                    student[j] = student[j+1]
                    student[j+1] = dataCopy
                    j-=1
                else :
                    break
        i+=1
    print("Sort record by age")
    print("------------------------")
    displayStData(student)

def stWeight(student):
    i = 0
    count = 1
    min_weight = student[0].getWeight()
    while i < len(student):
        if student[i].getWeight() < min_weight:
            min_weight = student[i].getWeight()
        if student[i].getWeight() < 70:
            print("No :",count)
            student[i].stData()
            print("------------------------")
            count+=1
        i+=1
    print("Minimum weight of students :",min_weight)
    print("------------------------")
       
setup()