(Python) TypeError: ‘float’ object is not subscriptable

I have finally got the patience to use Python again and I am trying some math stuff to get back in, but I am now trying to make a Python script and it came up with the “float’ object is not subscriptable’ error. Again, I have just got back into Python and I have no clue what this means. It may be obvious, but all I am seeing on stackoverflow is people telling others how to fix their specific code rather than explaining what it means so I don’t know what could be causing it. All I know is that it has something to do with the fact Pi is a decimal number (floating point number??) but I don’t see why it shouldn’t be able to get nth character of it.

It comes up for “if pi[digit] == digitChar:” on line 11. Here is my code:

pi = 0
divideBy = 1
digit = 1
digitChar = 3
digitOccurance = 1
while True:
    pi = pi - 4 / divideBy
    divideBy = divideBy + 2
    pi = pi + 4 / divideBy
    divideBy = divideBy + 2
    if pi[digit] == digitChar:
        digit = digit + 1
        digitOccurance = 0
        digitChar = pi[digit]

The last bit of code is basically to stop the spam and to just show one digit at a time. It is meant to get the [digit] digit of ‘pi’ and test if it was the same as the previous one. If it is, it moves along a character and prints the Character [digitChar].

Thanks so much for the help in advance!

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