2019实战第二期-控制读书打卡

-----学习《Python基础教程第3版》读书笔记-----

条件

name = ‘Mr tan’
if name.endswith('Gumby'):
    if name.startswith('Mr.'):
        print('Hello, Mr. Gumby')
    elif name.startswith('Mrs.'):
        print('Hello, Mrs. Gumby')
    else:
        print('Hello, Gumby')
else:
    print('Hello, stranger')

循环

while

x = 1
while x <= 100:
    print(x)
    x += 1

for

words = ['this', 'is', 'an', 'ex', 'parrot']
for word in words:
    print(word)

跳出循环

1.break 跳出当前整个循环
2.continue  结束当前条件，继续当前的循环