s=[1,4,9,16,25]
print (s)
print (s[4])
print (s[-3:-1])
print (s[0:4:1])

s.append(36)
print (s)
l=['a','b','c','d','e','f']
l[2:5]=['C','D','E']
print (l)
l[2:5]=[]
print (l)
d=[1,2,3]
x=[l,d]
print(x[0])
print (x[0][1])

s=[1,4,9,16,25]
print (s)
print (s[4])
print (s[-3:-1])
print (s[0:4:1])

s.append(36)
print (s)
l=['a','b','c','d','e','f']
l[2:5]=['C','D','E']
print (l)
l[2:5]=[]
print (l)
d=[1,2,3]
x=[l,d]
print(x[0])
print (x[0][1])
