<human>:  how to identify if a string is an integer in.
<bot>: Here is a Python function to identify if a string is an integer

def is_integer(s):
  """Identifies if a string is an integer."""
  try:
    int(s)
    return True
  except ValueError:
    return False

# Enter the string
s = "123"

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

#Example Output
# True

#Remember to inspect code for bugs.