python入门 while 循环练习

Posted 2021-01-06 yezia

"""  """ 注释整段代码        # 注释单行代码




"""
1.输出1 2 3 4 5 6 8 9 10

n = 1
while n < 11:
    if n == 7:
        pass
    else:
        print(n)
    n = n + 1
"""


"""
2.输出1-101内所有偶数
n = 1
while n < 101:
    temp = n % 2
    if temp == 0:
        print(n)
    else:
        pass
    n = n + 1
    
3.输出1-101内所有奇数
n = 1
while n < 101:
    temp = n % 2
    if temp == 0:
        pass
    else:
        print(n)
    n = n + 1
"""
"""
4.求1-100所有数的和
n = 1
s = 0
while n < 101:
    s = s + n
    n = n + 1

print(s)
"""


"""
5.求1-2+3-4+5-6+7-8....99
n = 1
s = 0
while n < 100:
    temp = n % 2
    if temp == 0:
        s = s - n
    else:
        s = s + n
    n = n + 1
print(s)
"""