python 学习(九) 之 continue语句
2016-07-26 22:09
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Python continue 语句跳出本次循环,而break跳出整个循环。
continue 语句用来告诉Python跳过当前循环的剩余语句,然后继续进行下一轮循环。
continue语句用在while和for循环中。
Python 语言 continue 语句语法格式如下:
continue
示例一:
#!/usr/bin/python
# -*- coding: UTF-8 -*-
for letter in 'Praifire':
if letter == 'fire':
continue
print '当前字母 :', letter
输出结果:
当前字母 : P
当前字母 : r
当前字母 : a
当前字母 : i
当前字母 : f
当前字母 : i
当前字母 : r
当前字母 : e
示例二:
#!/usr/bin/python
# -*- coding: UTF-8 -*-
<pre style="" class="prettyprint prettyprinted"><span class="kwd">var</span><span class="pln"> </span><span class="pun">=</span><span class="pln"> </span><span class="lit">10</span><span class="pln"> </span><span class="pln">
</span><span class="kwd">while</span><span class="pln"> </span><span class="kwd">var</span><span class="pln"> </span><span class="pun">></span><span class="pln"> </span><span class="lit">0</span><span class="pun">:</span><span class="pln">
</span><span class="kwd">var</span><span class="pln"> </span><span class="pun">=</span><span class="pln"> </span><span class="kwd">var</span><span class="pln"> </span><span class="pun">-</span><span class="lit">1</span><span class="pln">
</span><span class="kwd">if</span><span class="pln"> </span><span class="kwd">var</span><span class="pln"> </span><span class="pun">==</span><span class="pln"> </span><span class="lit">5</span><span class="pun">:</span><span class="pln">
</span><span class="kwd">continue</span><span class="pln">
</span><span class="kwd">print</span><span class="pln"> </span><span class="str">'当前变量值 :'</span><span class="pun">,</span><span class="pln"> </span><span class="kwd">var</span><span class="pln">
</span><span class="kwd">print</span><span class="pln"> </span><span class="str">"Praifire,Good bye!"</span>
输出结果:
当前变量值 : 9
当前变量值 : 8
当前变量值 : 7
当前变量值 : 6
当前变量值 : 4
当前变量值 : 3
当前变量值 : 2
当前变量值 : 1
当前变量值 : 0
Praifire,Good bye!
continue 语句用来告诉Python跳过当前循环的剩余语句,然后继续进行下一轮循环。
continue语句用在while和for循环中。
Python 语言 continue 语句语法格式如下:
continue
示例一:
#!/usr/bin/python
# -*- coding: UTF-8 -*-
for letter in 'Praifire':
if letter == 'fire':
continue
print '当前字母 :', letter
输出结果:
当前字母 : P
当前字母 : r
当前字母 : a
当前字母 : i
当前字母 : f
当前字母 : i
当前字母 : r
当前字母 : e
示例二:
#!/usr/bin/python
# -*- coding: UTF-8 -*-
<pre style="" class="prettyprint prettyprinted"><span class="kwd">var</span><span class="pln"> </span><span class="pun">=</span><span class="pln"> </span><span class="lit">10</span><span class="pln"> </span><span class="pln">
</span><span class="kwd">while</span><span class="pln"> </span><span class="kwd">var</span><span class="pln"> </span><span class="pun">></span><span class="pln"> </span><span class="lit">0</span><span class="pun">:</span><span class="pln">
</span><span class="kwd">var</span><span class="pln"> </span><span class="pun">=</span><span class="pln"> </span><span class="kwd">var</span><span class="pln"> </span><span class="pun">-</span><span class="lit">1</span><span class="pln">
</span><span class="kwd">if</span><span class="pln"> </span><span class="kwd">var</span><span class="pln"> </span><span class="pun">==</span><span class="pln"> </span><span class="lit">5</span><span class="pun">:</span><span class="pln">
</span><span class="kwd">continue</span><span class="pln">
</span><span class="kwd">print</span><span class="pln"> </span><span class="str">'当前变量值 :'</span><span class="pun">,</span><span class="pln"> </span><span class="kwd">var</span><span class="pln">
</span><span class="kwd">print</span><span class="pln"> </span><span class="str">"Praifire,Good bye!"</span>
输出结果:
当前变量值 : 9
当前变量值 : 8
当前变量值 : 7
当前变量值 : 6
当前变量值 : 4
当前变量值 : 3
当前变量值 : 2
当前变量值 : 1
当前变量值 : 0
Praifire,Good bye!
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