isdecimal()-It is a function in Python that returns true if all characters in a string are decimal. If all characters are not decimal then it returns false.
Here string_name is the string whose characters are to be checked
Parameters:This method does not takes any parameters .
True – all characters are decimal
False – one or more then one character is not decimal.
Below is the Python3 implementation of isdecimal() method:
True False False
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