<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def is_integer(value: Any) -> bool: """Return true if a value is an integer number."""

    return (isinstance(value, int) and not isinstance(value, bool)) or (
        isinstance(value, float) and isfinite(value) and int(value) == value
    )