import schedule
import time
from functools import reduce
def get_():
print("working ...")
def main():
schedule.every(2).seconds.do(get_)
while True:
schedule.run_pending()
time.sleep(0.2)
def xxx():
import itertools
scientists = ({'name': 'Alan Turing', 'age': 105, 'gender': 'male'},
{'name': 'Dennis Ritchie', 'age': 76, 'gender': 'male'},
{'name': 'Ada Lovelace', 'age': 202, 'gender': 'female'},
{'name': 'Frances E. Allen', 'age': 84, 'gender': 'female'})
# grouped = {item[0]: list(item[1])
# for item in itertools.groupby(scientists, lambda x: x['gender'])}
# print(grouped)
for i in itertools.groupby(scientists, lambda x: x['gender']):
print(i[0], list(i[1]))
# print(i)
def less_data(x, y):
return x-y
def test_reduce():
res = reduce(less_data, [10, 32, 6, 1])
print(res)
return
def test_map():
res = map(less_data, [10, 32, 6, 1], [1, 2, 3, 4])
print(list(res))
# for x in res:
# print(x)
# print(res)
def add(data_list):
if data_list[0] - data_list[1] > 5:
return True
else:
return False
def test_filter():
"""
filter(function_or_None, iterable)
function 只能返回True or False
:return:
"""
res = filter(add, [[10,1],[2,10]])
print(list(res))
if __name__ == "__main__":
pass
# main()
# test_reduce()
# test_map()
test_filter()