def sub_sum(L):

? ? s1 = 0

? ? s2 = 0

? ? for i in L:

? ? ? ? if i%2!=0:

? ? ? ? ? ? s1 = s1+i

? ? ? ? else:

? ? ? ? ? ? s2 = s2+1

? ? return s1,s2

? ??

L = [1,2,3,4]

s1,s2 = sub_sum(L)

print('奇數(shù)項(xiàng)之和={}'.format(s1))

print('偶數(shù)項(xiàng)之和={}'.format(s2))

為什么在print那兩行 “奇數(shù)項(xiàng)之和”后面與等號(hào)不能空一個(gè)空格