Python variable assignment to a function

Question

I've been messing around with an API for a trading website. I'm looking to reduce the amount of calls I have to make (via JSON) to the website so I figure I will assign the results of my call to a variable. My question is this:

ETH_balance = polo.return_balances('ETH')
BTC_balance = polo.return_balances('BTC')

If I assign the API call polo.return_balances('ETH') to ETH_balance, is the variable ETH_balance storing the result of the call or the actual call itself?

Does it hinge on if the API call return's the result?

If you want to assign a function call to a variable, you use a lambda — Barmar
– Barmar, Commented Jun 9, 2017 at 19:16
@Barmar or better yet, a full function definition, since assigning lambdas to names is explicitly recommended against in PEP8. — juanpa.arrivillaga
– juanpa.arrivillaga, Commented Jun 9, 2017 at 19:17

Mike Shlanta · Accepted Answer · 2017-06-09 19:18:40Z

1

It will store the result of the call.

You can assign functions to variables in python however that will do nothing to reduce the number of calls you are making to the API.

answered Jun 9, 2017 at 19:18

Mike Shlanta

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2 Comments

Jimbo Over a year ago

I don't understand, if it stores the result and I use the variable ETH_Balance later on, shouldn't it return the result of the call and not call the function again?

Mike Shlanta Over a year ago

It will use the result of the function call, sorry I should have made that more clear.

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