# Range in Python
"""
1-5  =>1,2,3,4,5
0-5 =>2,4  +2
range(5)  =>0,1,2,3,4
range(2,5)  =>
"""

print(list(range(5)))
print(list(range(2, 5)))  # n-1
print(list(range(0, 21, 2)))
print(list(range(1, 20, 2)))