performance - Python Function Takes too Long as Dictionary Gets too Big -

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def assign_id(dic,id):   key, value in enumerate(dic):     elem in range(value):       if id in dic[value]:         return value

my function above want do-- problem dictionary dic gets bigger in main part of program, "assign_id" function takes long. function takes 1/100 of second run, after few thousand rows of input, starts take half second, full second , longer. trouble input file large function makes whole program take @ least 2 full days run.

is there way re-write above function runs quicker? able periodically run program want run faster does.

thank in advance help!

well, straight off bat, rid of enumerate. also, second for-loop nothing. rid of too:

def assign_id(dic, id):     key in dic:         if id in dic[key]:             return key

the above function should old 1 does, far faster.


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