ответ: ответ на python
1)
from random import randint
m = [0]*20
for i in range(len(m)):
m[i] = randint(-11, 15)
s = 0
for i in range(len(m)):
if m[i] > 0:
s += m[i]
m[0] = s
m[19] = s
print(m)
2)
from random import randint
z = [0]*10
for i in range(len(z)):
z[i] = randint(-20, 25)
s = 0
for i in range(len(z)):
if z[i] % 5 == 0:
s += 1
z[4] = s
print(z)