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kotlinlang

<https://discuss.kotlinlang.org/t/type-mismatch-inferred-type-is-list-main-number-but-list-kotlin-number-was-expected/26608|Type mismatch: inferred type is List&lt;main.Number&gt; but List&lt;kotlin.Number&gt; was expected>
I do not understand what is the difference between main.Number and kotlin.Number I am create a class in the main function in my program named Number and tried to put like constructor n1 a number that the user input when I try to save this a list the type Number type mismatch is throw . How can I fix this
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