<human>:  Python function to check whether a string is int.
<bot>: Here is a Python function to check whether a string is int

import numpy as np

def is_int(s):
    """Check whether a string is int."""
    try:
      int(s)
      return True
    except ValueError:
      return False

# Enter the string
s = '1234567890'

# Calling the function
print((is_int(s)))

#Example Output
# True

#Remember to inspect code for bugs.