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from functools import reduce
product = reduce((lambda x, y: (x, y)), [1, 2, 3, 4])
product


    

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#want to apply a list of functions to a hash

def funcA(row):
    row['col1']=4
    return(row)


    

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def funcB(row):
    row['col2']= row['col1']+10
    return(row)


    

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def funcC(row):
    row['col3']= row['col1']+10
    return(row)


    

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range(10)


    

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funcA({'idx':1})


    

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[funcA(r) for r in [{'index':i} for i in range(10)]]


    

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flist = [funcA, funcB, funcC]


    

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reduce((lambda x, y: (x, y)), flist)


    

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[{k:v} for k,v in [('index',i) for i in range(10)]]


    

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def bugger(fl,h=None):
    if(h == None):
        h = {}
    for f in fl:
        h = f(h)
    return(h)


    

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bugger([funcA],{'foo':3})


    

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[{k:v} for k,v in [('index',i) for i in range(10)]]


    

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[bugger(flist, h) for h in  [{k:v} for k,v in [('index',i) for i in range(10)]] ]


    

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data={}
for f in flist:
    data = f(data)
data


    

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dict([('foo',3),('var',4)])


    

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data={}
r = data
[r = f(r) for f in flist]


    

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data


    

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