How to write read search max and min numbers a CSV file in Python class 12

 Python CSV: Read and Write CSV Files

Python CSV: Read and Write CSV Files class 12

How do I search for a record in a CSV file?

How to find the minimum and maximum value of a column in Python

Program for write, read, search, find maximum number, find minimum number in csv file class 12

#Program for writing in csv file

import csv

def write():

    with open("ram.csv","w",newline='') as fobj:

        f=csv.writer(fobj)

        data=['roll','name','marks']

        f.writerow(data)

        while True:

            roll=int(input("Enter the roll no:"))

            name=input("Enter the Name:")

            marks=int(input("Enter the Marks:"))

            data2=[roll,name,marks]

            f.writerow(data2)

            key=int(input("Press 1-> for Continue: \n  Press 2-> for Stop:"))

            if key==2:

                break

#Program for reading in csv file

def read():

    with open ("ram.csv","r")as fobj:

        f=csv.reader(fobj)

        for i in f:

            print(i)

#Program for Searching Record in csv file

def search():

    with open ("ram.csv","r")as fobj:

        f=csv.reader(fobj)

        flag=0

        roll=int(input("Enter the roll no:"))

        next(f)

        for i in f:

            if int(i[0])==roll:

                flag=1

                print("------------Founded Record is----------\n",i)

                break

        if flag==0:

            print("Record not found...............")

#Program for maximum number in csv file

def maxmarks():

    with open ("ram.csv","r")as fobj:

        f=csv.reader(fobj)

        maxm=-1

        next(f)

        for i in f:

            if int(i[2])>maxm:

                maxm=int(i[2])

                z=i

                print("-------The Student with Maximum Marks is-------\n",z)

#Program for minimum number in csv file

def minmmarks():

    with open("ram.csv","r") as fobj:

        f=csv.reader(fobj)

        minm=101

        next(f)

        for i in f:

            if int(i[2])<minm:

                minm=int(i[2])

                z=i

        print("-------The Student with minmmarks is-------\n",z)

#calling function here

write()

read()

search()

maxmarks()

minmmarks()

            

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