what are recurrent neural network|Simple python code to implement recurrent neural network

what are recurrent neural network
simple python code using keras module to implement recurrent neural network
set seed value
define input sequence
define output sequence
define RNN model
add RNN layer
add dense(fully connected) layer
compile model
fit model
generate output
#recurrent
#ai
#sequence
#keras
#dense
#pythonprogramming
#pythoncoding
#python