put , everywhere to format code, ; to end of line and check https://dart.dev/guides/language/language-tour
you don't put anything next to curly braces or {} you put semicolon after a return statement and you mostly use commas for children inside the return statement or widgets
eventually you'll figure it out through practice
Commas to finish parameters to have dart fmt works on 2 spaces, semicolon on finish of the widget declaration
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