Human: how to identify if a string is an integer in. Assistant: 
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.