Dictionary sum

mapstructure.py

'''
 @author: dulithar(Dulitha Ransanga Wijewantha)
    Helping a Stack Overflow Question
    a[0] = [0, 1, 2]
    a[1] = [0, 2, 2]
    a[2] = [100, 200, 300]
    
    Should output as - [{0:2, 100:1}, {1:1, 2:1, 200:1}, {2:2, 300:1}]
    
    Not sure about the efficiency of the code. But you can find better solutions at http://stackoverflow.com/q/13699169/813471

'''
#
def compute():
    # This is a python tuple
    a = ([0, 1, 2], [0, 2, 2], [100, 200, 300])
    computeA(a)
    
def computeA(array):
    # This is a python dictionary
    map = {}
    # print array
    for list in array:
        for a in list:
            value = 0
            if(map.has_key(a)):
                value = map[a]
            map[a] = value + 1    
    k = ''
    for n in map.items():
        k += str(n)
    print k