Quiz — converting the types

Select the allowed assignments in Raku.

1	my Int $a = π.Int;
0	my Int $b = π;	`π` is `Num`, so it cannot be directly assigned to an `Int`.
0	my Rat $c = π.Int;	Even if `π.Int` is `3` and is of a ‘narrower’ type than `Rat`, it is not possible to assign.
1	my Rat $d = π.Str.Rat;	Double type conversion, just for fun, there’s no particular sense in it, but it is legal.
0	my Num $e = π.Int;
1	my Num $f = π.Int.Str.Num;

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