#ex1
l=[45,2,8,9,11]
print(l[4])
l[1]=17
l[3]=l[2]+l[4]
t=len(l)
for i in range(12):
    print(l[-1])
#ex2
l[0],l[-1]=l[-1],l[0]
#ex3
spaire=0
selm=0
for a in l:
    print(a)
    selm+=a
    if a%2==0:
        spaire+=a
etat=(selm/len(l))>=10
print(selm/len(l))
print(etat)
#ex4
l=[7,8,9,6,4]
for i in range(len(l)):
    l[i]+=1
taille=len(l)//2
n=len(l)
print("---------------------Ex4----------------")
print(l)
for i in range(taille):
    l[i],l[n-1-i]=l[n-1-i],l[i]
print(l)
l=[5,8,9,4,6]
LC=[]
for a in l:
    LC.append(a**2)
l1=[7,8,9,6,7]
l2=[77,8,55,66,72]
l3=l1.copy()
l3.remove(l3[0])
#del l3[0]
# l4=l1.copy()
# l4.extend(l2)
l4=[]
for a in l1:
    l4.append(a)
for a in l2:
    l4.append(a)
#ex6
print('-----------------Ex 6----------------')
LC1=[7,7,7,8,7]
n=len(LC1)
taille=n//2
etat=1
for i in range(taille):
    if LC1[i]!=LC1[n-i-1]:
        etat=0
if etat:
    print('Identique')
else:
    print('Non Identique')
******************************************
l=[7,8,9,5,4]
lc=[]
for a in l:
    lc.append(a*a)
lc1=[a*a for a in l ]
b=sum(a for a in l if a%2==0)
print(b)
print(lc)
print(lc1)
l1=[7,5,6,8,1]
l2=[4,18,2,16,17]
l3=l1.copy();del l3[0]#l3.remove(l3[0])
l4=[]
for a in l1:
    l4.append(a)
for a in l2:
    l4.append(a)
l4=l1.copy();l4.extend(l2)
ls=[1,2,4,3,2,1]
ls1=ls.copy()
ls1.reverse()
print(ls==ls1)
etat=True
taille=len(ls)
for a in range(taille//2):
    if ls[a]!=ls[taille-1-a]:
        etat=False
        break
print(etat)