python 3の判定方法
# -*- coding: UTF-8 -*-
def main():
list_1 = [] #
if len(list_1) == 0: # 0
print('None')
list_2 = [1]
if len(list_2) > 0: # 1
print('not none')
main()
# -*- coding: UTF-8 -*-
def main():
list_1 = [] #
if len(list_1) == 0: # 0
print('None')
list_2 = [1]
if len(list_2) > 0: # 1
print('not none')
main()