
Is Text The Number
The mission is in Blocked Mode.
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.
All users who've solved the mission will get the notifications about their opening.
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.