new_tasks

from math import *

#2
def func(x):  # сама функция
    return (1 - cos(x)) / exp(x)


array = []  # массив, в котором будем хранить пары (значение, точка)
for x in range(-5, 15):
    array.append([func(x), x])  # добавляем все пары в массив

print("Where the lowest value is reached:", min(array)[1])
print("The lowest value of the function:", min(array)[0])

#3
fhand = open("text_3_1.txt")
index = 1
for i in fhand:
    if index % 2 == 0:
        print(int(i), end=" ")
    index += 1


#4
fhand = open("test_4_1.txt")
s = fhand.read()
s = s.split()
s1 = list(set(s))
count = 0
for word in s1:
    for i in range(len(s)):
        if word == s[i]:
            count += 1
    print(word, count)
    count = 0


#5
import random


def func(fhand):
    n = int(input())
    products = ['apple', 'banana', 'pineapple']
    f = open(fhand, 'w')
    for i in range(n):
        ind = random.randint(0, 2)
        string = products[ind] + ',' + str(random.random()) + '\n'
        f.write(string)


func('task_file.txt')