could anyone help me with this basic syntax error

[polar dirge]

i struggled 3 hours, the part seems playing hide n seek with me 😭
please help
code: https://srcb.in/nSic8D7T4P

[ashen coral]

The syntax {} is for making a dictionary
You have to write something like { key: value }
You just wrote something like { variable.field } which is not valid, you need to specify a key for that value

[polar dirge]

got it, thank you!