Range

for i in range(5,1,-1):
   print(i)
a = [1,2,3,4,5,6]
print("a",a[:-2:1])
print("______________")
for j in range(5,13,2):
 print(j)
print("____________")
for k in range(5,1,-2):
 print(k)
b = [1,2,3,4,5,6]
print("b",b[1::3])
c = [1,2,3,4,5,6]
print("c",c[-1:2:-1])
d = [1,2,3,4,5,6]
print("d",d[5:2:-1])
e = "hello world"
print(e[6:2:-1])