evensum = None
number = None
evensum = 0
number = 0
while number <= 100:
if number % 1 == 0:
evensum = evensum + number
number = number + 1
print('0到100内所有奇数的和:')
print(evensum)
evensum = None
number = None
evensum = 0
number = 0
while number <= 100:
if number % 1 == 0:
evensum = evensum + number
number = number + 1
print('0到100内所有奇数的和:')
print(evensum)