<img src="/img/python-types/image03.png">

## More motivation { #more-motivation }

Check this function, it already has type hints:

{* ../../docs_src/python_types/tutorial003.py hl[1] *}

Because the editor knows the types of the variables, you don't only get completion, you also get error checks:

<img src="/img/python-types/image04.png">

     * <p><b>Note:</b> in general, code should assume that the string form returned by {@code
     * ToStringHelper} for a given object may change. In particular, the list of types which are
     * checked for emptiness is subject to change. We currently check {@code CharSequence}s, {@code
     * Collection}s, {@code Map}s, optionals (including Guava's), and arrays.
     *
     * @since 33.4.0
     */
    @CanIgnoreReturnValue

        } catch (final Exception e) {
            throw new ScheduledJobException("Failed to delete Job: " + scheduledJob, e);
        }
    }

    /**
     * Checks if a job with the specified ID is available.
     *
     * @param id the job ID to check
     * @return true if the job is available, false otherwise
     */
    public boolean isAvailable(final String id) {

	c.mu.Lock()
	defer c.mu.Unlock()
	var ent *Entry[K, V]
	if ent, ok = c.items[key]; ok {
		// Expired item check
		if time.Now().After(ent.ExpiresAt) {
			return value, false
		}
		c.evictList.MoveToFront(ent)
		return ent.Value, true
	}
	return
}

// Contains checks if a key is in the cache, without updating the recent-ness
// or deleting it for being stale.

They will be checked independently for each *path operation*.

## Check it { #check-it }

If you open the API docs, you can authenticate and specify which scopes you want to authorize.

<img src="/img/tutorial/security/image11.png">

        synchronized (crawlerContext.activeThreadCountLock) {
            crawlerContext.activeThreadCount--;
        }
    }

    /**
     * Checks if the crawling process should continue.
     * @param tcCount The thread check count.
     * @return true if the crawling should continue, false otherwise.
     */
    protected boolean isContinue(final int tcCount) {
        if (!crawlerContainer.available()) {

            // Validate that security buffer doesn't exceed available data
            if (hdrStart + securityBufferOffset < hdrStart || // Check for integer overflow
                    hdrStart + securityBufferOffset + securityBufferLength < 0 || // Check for integer overflow
                    hdrStart + securityBufferOffset + securityBufferLength > buffer.length) {

FastAPI will use this `response_model` to do all the data documentation, validation, etc. and also to **convert and filter the output data** to its type declaration.

/// tip

If you have strict type checks in your editor, mypy, etc, you can declare the function return type as `Any`.

     */
    public void logEvent(EventType type, Severity severity, String message, Map<String, Object> context) {
        // Check minimum log level filter
        if (severity.getLevel() < minLogLevel.getLevel()) {
            return;
        }

        // Rate limiting check
        if (!checkRateLimit(type)) {
            return;
        }

        try {
            // Update statistics

	lastShardSize := ceilFrac(lastBlockSize, int64(fi.Erasure.DataBlocks))
	return numShards*fi.shardSize() + lastShardSize
}

// ShallowCopy - copies minimal information for READ MRF checks.
func (fi FileInfo) ShallowCopy() (n FileInfo) {
	n.Volume = fi.Volume
	n.Name = fi.Name
	n.VersionID = fi.VersionID
	n.Deleted = fi.Deleted
	n.Erasure = fi.Erasure
	return
}