```

</div>

////

Esta información será útil al aprender sobre [Entornos Virtuales](virtual-environments.md){.internal-link target=_blank}.

## Conclusión

Con esto deberías tener una comprensión básica de qué son las **variables de entorno** y cómo usarlas en Python.

        }
        return len;
    }

    /**
     * Writes the AndX wire format to buffer
     * @param dst the destination buffer
     * @param dstIndex the starting index
     * @return the number of bytes written
     */
    protected int writeAndXWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

```

In case of a S3 multi-part operation each part is en/decrypted with the scheme shown in Figure 1. However, for each part a unique secret key is derived from the OEK and the part number using a PRF. So in case of multi-part not the OEK but the output of `PRF(OEK, part_id)` is used as secret key.

#### Cryptographic Primitives

        /**
         * Default constructor for LsarSidArray.
         */
        public LsarSidArray() {
            // Default constructor
        }

        /** Number of SIDs in the array. */
        public int num_sids;
        /** Array of SID pointers. */
        public LsarSidPtr[] sids;

        @Override
        public void encode(NdrBuffer _dst) throws NdrException {

			target = &a[2]
			break
		}
		p.errorf("wrong number of arguments to %s instruction", op)
		return
	case 4:
		if p.arch.Family == sys.S390X || p.arch.Family == sys.PPC64 {
			// 4-operand compare-and-branch.
			prog.From = a[0]
			prog.Reg = p.getRegister(prog, op, &a[1])
			prog.AddRestSource(a[2])
			target = &a[3]
			break
		}
		p.errorf("wrong number of arguments to %s instruction", op)
		return
	default:

			if err != nil {
				err = msgp.WrapError(err, zb0001, zb0003)
				return
			}
		}
		(*z)[zb0001] = zb0002
	}
	o = bts
	return
}

// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z localLockMap) Msgsize() (s int) {
	s = msgp.MapHeaderSize
	if z != nil {
		for zb0006, zb0007 := range z {
			_ = zb0007

   *
   * <ul>
   *   <li>You want to assign the same fraction of inputs to each bucket.
   *   <li>When you reduce the number of buckets, you can accept that the most recently added
   *       buckets will be removed first. More concretely, if you are dividing traffic among tasks,
   *       you can decrease the number of tasks from 15 and 10, killing off the final 5 tasks, and

        try {
            return handles.get(path);
        } finally {
            lock.readLock().unlock();
        }
    }

    /**
     * Get the number of active handles
     * @return the number of handles
     */
    public int getHandleCount() {
        return handles.size();
    }

    private void periodicMaintenance() {
        if (shutdown) {
            return;

     * but only preserves problems that match the given filter.
     *
     * @param <P>           the type of problem
     * @param maxCountLimit the maximum number of problems to preserve
     * @param filter        predicate to decide which problems to record
     * @return a new filtered problem collector instance
     */
    @Nonnull

				if err != nil {
					err = msgp.WrapError(err, zb0001)
					return
				}
			}
		}
		(*z)[zb0001] = zb0002
	}
	o = bts
	return
}

// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z DailyAllTierStats) Msgsize() (s int) {
	s = msgp.MapHeaderSize
	if z != nil {
		for zb0007, zb0008 := range z {
			_ = zb0008