Context:
Create an answer for the question, using only the data provided in the input. Simply answer with only the relevant information.

Question:
What is the best way to learn NAME_1 code?

Input: The inventors of NAME_1 code are NAME_2 and his assistant NAME_3. # In the past, NAME_1 code was widely used, especially in the military. Although NAME_1 code has limited usage today, it is still used in aviation, amateur radio telegraphy, and as a compensatory aid. # You can learn NAME_1 code through study and listening, but also with the help of word memorization techniques that can be found on various websites. However, one of the best methods for learning NAME_1 code in 2019 is the Gboard keyboard developed by Google. With instructional exercises from Google Creative Lab, you can practice NAME_1 code online for free. # If you are not proficient enough in reading NAME_1 code, you can look up the corresponding symbols for each character in the NAME_1 code table, or you can use a NAME_1 code translator. # NAME_1 code was developed in the 1830s and refined in the 1840s.

Answer: 