Is Text The Number
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Access to the solutions is blocked for a day or two (even after you share your own), until we'll have enough solutions for you to check.
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Check if the input string is a number
Input: A string.
Output: A bool.
Example:
is_number("df") == False
is_number("34") == True
How it’s used: (For checking values that must contain only digits)
Precondition: The text can contain letters and digits.
