This is why I never get on a band wagon for anyone.
Re: stollen:
STOL
STOL airplane, STOL in full short takeoff and landing, any of several fixed-wing aircraft capable of taking off and landing on runways considerably shorter than those needed by conventional aircraft. Most aircraft of this type require a runway no more than 150 metres (500 feet) long, which is about 10 times shorter than the average runway.
https://www.britannica.com/technology/STOL-airplane
LEN
The len() function returns the number of items (length) in an object.
Example
languages = [’Python’, ‘Java’, ‘JavaScript’]
# compute the length of languages
length = len(languages)
print(length)