Python Dict使用

'''Created on May 20, 2013@author: Yang'''#Build the dictb = {}#intialize the dictb[1] = 2b[2] = 23b[4] = 25#b.keys()b.values()b.items()b.copy()b.get(1)b.get(3,2)b.has_key(5)if 1 in b:    print 'yes'else:    print 'no'if 1 not in b:    print 'yes'else:    print 'no'    #some special example:b = {}c = {}c[1] = 2c[2] = 3b[1] = c[1]print b[1]b[1] = dict(b[1].items()+c[2].items())print b[1]#the up is how to combine the two dictfor v,value in b.items:    print v    print value    #how to change the 

直接運行就ok了

主要是覺得中間哪個合并有點用。