how to create array from python list code example
Example: how to create an array from a list in python
def tips_unfold(fn, seed):
def fn_generator(val):
while True:
val = fn(val[1])
if val == False: break
yield val[0]
return [i for i in fn_generator([None, seed])]
f = lambda n: False if n > 50 else [-n, n + 10]
print(tips_unfold(f, 10))