sum = 0
for i in range(1,101):
    sum = sum +i
    i += 1
print("1-100之间和是： ",sum)


sum1 = 0
for i in range(1,101):
    if i % 2 == 0:
        sum1 = sum1 +i
    i += 1
print("for--1-100之间偶数的和是： ",sum1)


# 用for循环实现1~100的偶数求和
a=0
for x in range(0,101,2):
    a +=x
print(a)


# 遍历字典
dict = {'woodman': 98, 'Alan': 89, 'Bobo': 56}
for key, value in dict.items():
    print(key, value)