What is psendocode?

If you mean Pseuodocode, then it is a method of writing algorithms using mathematical symbols, for ease of use to transfer into a programming language, like Java, Pascal or C++

Example

Pseudocode

Name<-'John Smith'

Age<-60

Number<-10

Number<-10 * 5

Pascal Equivelent

Name:='John Smith';

Age:=60;

Number:=10;

Number:=10*5;