equivalent of Excel Goal Seek function in Python or MYSQL -


how implement excel goal seek function python or mysql?

this scenario :

in agency work buy items , sell online store, online store apply 3 different fees , calculated on final price. agency wants earn fixed amount of money on final price, need calculate final price fees , amount want earn.

i know amount money want earn , initial price, , fees in % , don't know @ price need sell items earn specific amount of money.

with excel use goal seek function calculate final price fees , fixed amount agency want earn, python or mysql.

ex :

a1 = 270.0$ # price buy item c2 = 3.50$ # shipping price c3 = 0.10 # fee of store in percentage (10%) c4 = 0.03 # fee credit card (0.3%) c5 = 0.35$ # fixed fee store 0.35$ d1 = 5$ # amount want earn when sell item x = ? # final price need sell item earn d1

thanks help

in python following. note formumla may need adjusting

a1 = 270.00  # price buy item in $  c2 = 3.50  # shipping price in $ c3 = 0.10  # fee of store in percentage (10%) c4 = 0.03  # fee credit card (0.3%) c5 = 0.35  # fixed fee store $0.35  d1 = 5.00  # amount want earn when sell item in $ x = 0.00  # final price need sell item earn d1  while true:     # assumed formula - may need adjusted match criteria     earnt_amount = ((x - a1 - c2) * (1 - c3 - c4)) - c5     x += 0.01     if earnt_amount >= d1:         break  print ('price "x" should be: {0}'.format(x))

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