"""
indentation

block of code
nested code block

1. consistent indentation in the same block
2. consists of 4 whitespace generally
"""

def f1():
    print("adfkasdfkjasdf")
    print("adfkasdfkjasdf")
    print("adfkasdfkjasdf")

print("adfkasdfkjasdf")

if True:
    print("adfkasdfkjasdf")
    print("adfkasdfkjasdf")
    if False:
        print("adfkasdfkjasdf")
        print("adfkasdfkjasdf")
    else:
        print("adfkasdfkjasdf")
        print("adfkasdfkjasdf")
    print("adfkasdfkjasdf")
    print("adfkasdfkjasdf")
else:
    print("adfkasdfkjasdf")
    print("adfkasdfkjasdf")
    print("adfkasdfkjasdf")
    print("adfkasdfkjasdf")