【Python 3.6.1】循环语句-WHILE

xixuefeng Python 2017-07-11 8:59:24  1,714 次浏览  没有评论

一、while语法

while condition1:
   statement1
else
   statement2

while condition1:

statement1

else

statement2

二、while测试

[root@dt xxf]# cat w1.py 
i = 0
while i<=10:
  print (i)
  i +=1
[root@dt xxf]# python w1.py 
0
1
2
3
4
5
6
7
8
9
10
[root@dt xxf]#

[root@dt xxf]# cat w1.py

i = 0

while i<=10:

print (i)

i +=1

[root@dt xxf]# python w1.py

[root@dt xxf]#

三、while else 测试

[root@dt xxf]# cat w2.py 
i = 0
while i< 10:
  print (i)
  i +=1
else:
  print (i)
[root@dt xxf]# python w2.py 
0
1
2
3
4
5
6
7
8
9
10
[root@dt xxf]#

[root@dt xxf]# cat w2.py

i = 0

while i< 10:

print (i)

i +=1

else:

print (i)

[root@dt xxf]# python w2.py

[root@dt xxf]#

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