Calculate Monthly Cost in The Python Assignment Solution

cwid = input('Please, enter CWID: ')

f = open('students.txt', 'r')

lines = f.read().splitlines()

line_counter = 0

found_name = None

while line_counter < len(lines):

    if lines[line_counter] == cwid:

        found_name = lines[line_counter + 1]

        break

    line_counter += 2

if found_name:

    print(found_name)

import random

num = int(input('Please, enter the number: '))

rand_list = []

for i in range(num):

    rand_list.append(random.randint(0, 1000))

total = 0

min1 = None

max1 = None

for a in rand_list:

    total += a

    if not min1 or min1 > a:

        min1 = a

    if not max1 or max1 < a:

        max1 = a

print('The sum of the elements is:', total)

print('The biggest number is:', max1)

print('The smallest number is:', min1)

s = "112233445566778899 Saturn V rocket's first stage carries 203400 gallons or 770000 liters of kerosene fuel and " \

    "318000 gallons of liquid oxygen needed for combustion. At liftoff, the stage's five F1 rocket engines ignite and " \

    "produce 7 million pounds of thrust. "

tokens = s.split()

numbers = []

words = []

for token in tokens:

    if token.isnumeric():

        numbers.append(token)

    else:

        words.append(token)

print(words, '\n')

print(numbers)

def calculate_monthly_costs(car_loan, mortgage, insurance, gas, groceries):

    total = car_loan + mortgage + insurance + gas + groceries

    return total

def main():

    car_loan = 50.0

    mortgage = 40.0

    insurance = 20.0

    gas = 30.0

    groceries = 10.0

    monthly_cost = calculate_monthly_costs(car_loan, mortgage, insurance, gas, groceries)

    print('{:.2f}'.format(monthly_cost))

main()