奇数偶数以及差
odd = []
for i in range(1,101):
if i % 2 != 0 :
odd.append(i)
print(odd)
even = []
for i in range(1,101):
if i % 2 == 0:
even.append(i)
print(even)
sum1 = 0
for a in odd:
sum1 = sum1 + a
print(sum1)
sum2 = 0
for a in even:
sum2 = sum2 + a
print(sum2)
print(sum1 - sum2)