#求100內(nèi)奇數(shù)和while\for..in循環(huán)
sum = 0
i = 1
while i <= 100:
    sum += i
    i += 2
print(sum)


sum = 0
for i in range(1,101,2):
    sum += i
print(sum)


#求100內(nèi)偶數(shù)while\for..in循環(huán)
sum = 0
i = 0
while i <=100:
    sum += i
    i += 2
print(sum)


sum = 0
#range函數(shù)end時(shí)不包括當(dāng)前數(shù)值，所有注意101.
for i in range(0,101,2):
    sum += i
print(sum)