List types of EC2 instances available in AWS?

Generally,  EC2 instance types are categorized into 5 types by the Amazon. They are:

• General Purpose – (A1, T3, T2, M5, M4, T3a)
• Computer Optimized – (C5, C5n, C4)
• Memory Optimized – (R5, R5a, R4, X1, X1e, Z1d)
• Accelerated Computing (P3, P2, G3, F1)
• Storage optimized- (I3, H1, D2)