The isnumeric() method checks if a string consists of only numbers. If yes, the string is considered to be numeric.
Example
#!/usr/bin/python3
# -*- coding: UTF-8 -*-
# contain only numbers
str1 = '123'
# contain numbers and letter
str2 = 'abc123abc'
# contain numbers and space
str3 = '123 '
print (str1.isnumeric())
print (str2.isnumeric())
print (str3.isnumeric())
Output:
True
False
False
Syntax
str.isnumeric()
Parameters
The method doesn’t take any parameters.
Return Value
It returns True and False, depending on whether the string is numeric.