Flow control
Basic
num = 5
if num > 10:
print("num is totally bigger than 10.")
elif num < 10:
print("num is smaller than 10.")
else:
print("num is indeed 10.")
One line (ternary operator)
else if
value = True
if not value:
print("Value is False")
elif value is None:
print("Value is None")
else:
print("Value is True")