Range

for i in range(5,1,-1):
 print(i)
a=[1,2,3,4,5,6]
print(a[::-1])
print(a[-5:-2:1])
print(a[:-2:1])
print(a[1::])
print(a[1::3])
print(a[-1:2:-1])
b = 1,2 ,3,4,5,6
print(b[-1:2:-1])
print(b[5:1:-1])
a = "hello world"
print(a[6:2:-1])