contracts/functions.tact and tests/Optionals.spec.ts having just 1 and 1 problem only!!!!!

[host2india]

/home/clue/tontest/SixthSession/contracts/functions.tact:31:13: Syntax error: expected "_", "A".."Z", or "a".."z"
Line 31, col 13:
30 |

31 | bounced(){}
^
32 |
and
[{
"resource": "/home/clue/tontest/SixthSession/tests/Optionals.spec.ts",
"owner": "typescript",
"code": "2554",
"severity": 8,
"message": "Expected 3 arguments, but got 0.",
"source": "ts",
"startLineNumber": 13,
"startColumn": 61,
"endLineNumber": 13,
"endColumn": 71,
"relatedInformation": [
{
"startLineNumber": 521,
"startColumn": 27,
"endLineNumber": 521,
"endColumn": 43,
"message": "An argument for 'a' was not provided.",
"resource": "/home/clue/tontest/SixthSession/build/Optionals/tact_Optionals.ts"
}
]
}]