1)

a = int(input('Введите A: '))

b = int(input('Введите B: '))

for i in range (a,b+1):

 print(i**2)

2)

x = -4

while x <= 4:

 print(x**3-x**2+16*x-43)

 x += 0.5

3)

n = int(input("n="))

lst = []

for i in range(2, n+1):

   for j in range(2, i):

       if i % j == 0:

           break

   else:

       lst.append(i)

print(*lst)