lambda 參考

 multiply = lambda x,y:x*y

print(multiply(3,2))

print((lambda x,y:x**y)(4,2))

numbers = list(range(20))

print(numbers)

result = list(filter(lambda x:x%2==0,numbers))

print(result)

result = list(map(lambda x:x*2,numbers))

print(result)

from functools import reduce

result = reduce(lambda x,y:x+y,numbers)

print(result)

資料來源：https://www.learncodewithmike.com/2019/12/python-lambda-functions.html