python - Concatenating sublists with ":" -


i'm trying build string using ":" , write string file. function gets 2 lists include strings, amounts of money

[["$123,123,123", "$68,656", "$993,993,993,993", "$123,141,142,142"],  ["$60", "$800,600", "$700,600,500", "$20,200,200,201"]]

it should written as

"$123,123,123":"$68,656":"$993,993,993,993":"$123,141,142,142" "$60":"$800,600":"$700,600,500":"$20,200,200,201"

currently have this:

def save_amount (amount, moneys):     open (moneys, "w") file:         in amount:             moneys_s = str(i)

how proceed?

first flatten list , use join, use list comprehension here :

>>> [ ':'.join('"' + j + '"' j in i) in l ] ['"$123,123,123":"$68,656":"$993,993,993,993":"$123,141,142,142"', '"$60":"$800,600":"$700,600,500":"$20,200,200,201"']

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