Is String a Number?

Elementary

On vous donne une chaîne de caractères. Votre fonction doit renvoyer True si la chaîne est un nombre valide (ne contenant que des chiffres), sinon - False . Regardez l'exemple.

example

Entrée: Une chaîne de caractères.

Sortie: Un booléen.

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numbers
string

by:

freeman_lex

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