Ответ :
A = int(input("A = "))
B = int(input("B = "))
C = int(input("C = "))
D = int(input("D = "))
if(A <= B <= C <= D):
A = D
B = D
C = D
elif(A>B>C>D):
pass
else:
A *=A
B *=B
C *=C
D *=D
print(A,B,C,D)
Ответ:
x=[]
A=int(input())
B=int(input())
C=int(input())
D=int(input())
x.append(A)
x.append(B)
x.append(C)
x.append(D)
if A <= B <= C <= D:
A=B=C=D=max(x)
print(A,B,C,D)
elif A > B > C > D:
print(A,B,C,D)
else:
for i in x:
i**=2
print(i)