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CodePudding user response:
Stick a picture, or crooked?There is no way to see, please post the source text,
Look from the error message
Always unpack a non - iterable float object
Is has a variable is a floating point number, the object iteration, always unpack operation,
Repeat your mistake, see below picture,
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CodePudding user response:
I'm sorry, I was the first time to use, thank you, I find the mistake