1-10循环

 

 

循环结构¶

In [1]:

tang =0
while tang <10:
    print(tang)
    tang+=1

 

0
1
2
3
4
5
6
7
8
9

In [15]:

tangs=set(['tang','yu','di'])#集合,可变
print(tangs)
while tangs:##只要tangs这是集合不为空就执行
    tang=tangs.pop()#弹出
    print(tang)

 

{'di', 'yu', 'tang'}
di
yu
tang

In [26]:

tangs=(['tang','yu','di'])#元组，不可变
tangs

Out[26]:

['tang', 'yu', 'di']

In [27]:

for name in tangs:
    print(name)

 

tang
yu
di

In [28]:

tang=[123,345,563,5464,657534]
for i in range(len(tang)):
    print(tang[i])

 

123
345
563
5464
657534

In [29]:

tang=[10,11,12,13,14,15]
for i in tang:
    if i%2==0:
        print(i)
    else:
        continue##continue表示之后的继续遍历
    print(i)

 

10
10
12
12
14
14

In [30]:

tang=[10,11,12,13,14,15]
for i in tang:
    if i%2==0:
        print(i)
    else:
        break##break表示之后就不遍历了，调出循环
    print(i)

 

10
10

In [31]:

tang=set(['tang','yu','di'])
for name in tang:
    print(name)

 

di
yu
tang