24 lines
558 B
Python
24 lines
558 B
Python
'''
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题目：宏#define命令练习(2)
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1.程序分析：
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2.程序源代码：
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#include "stdio.h"
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#define exchange(a,b) { \ /*宏定义中允许包含两道衣裳命令的情形，此时必须在最右边加上"\"*/
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int t;\
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t=a;\
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a=b;\
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b=t;\
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}'
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这个宏定义python不支持
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'''
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def exchange(a,b):
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a,b = b,a
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return (a,b)
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if __name__ == '__main__':
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x = 10
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y = 20
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print 'x = %d,y = %d' % (x,y)
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x,y = exchange(x,y)
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print 'x = %d,y = %d' % (x,y)
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