I understand that the already declared string cannot be modified. So, I learned that I have to bind a new object to a new variable and print it out (So in the upper problem, ticker1 newly bind and output the function)
However, the next problem is that we have already bound a new variable to an object that binds a string variable and outputs a function, so is there no problem in the task of declaring an object that has previously bound?
I'm confused.
python
No problem at all. You can see it by running the process of redefining the value of the string directly.
ticker = "btc_krw"
ticker = ticker.upper()
print(ticker) # "BTC_KRW"
ticker = ticker.lower()
print(ticker) # "btc_krw"
If you run the code above, you can reallocate multiple times with one ticker without creating additional variables. You can reassign the value unless the original data must be retained.
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