1.
n = int((input("Введите N: ")))
l = [int(input()) for i in range(n)]
max_ = 0
for i in range(len(l)):
if l[i] < 0:
l[i]=-l[i]
for j in range(len(l)):
if l[j] > max_:
max_ = l[j]
print(max_)
2.
a = [int(input()) for i in range(5)]
print(a)
b = [int(input()) for i in range(5)]
print(b, end="nn")
a, b = b, a
print(a, b, sep="n")