3-03 Functions - Basic Introduction

  What functions are?

Definition: function refers to a collection of statements by a name (function name) encapsulates, in order to perform this function, simply call it the function name.

DEF sayHi (): # function name 
    Print ( " ! the Hello, the I'm the nobody " ) 

sayHi () # call the function

You can take parameters:

A, B = 5,8 
C = A ** B
 Print (C) 


# used instead of the write function 
DEF Calc (X, Y): 
    RES = X ** Y
     return RES # returns an execution result of the function 
    
C = Calc (A , B)
 Print (C)

characteristic:

• Reduce duplication of code
• Making the program may expand
• Making the program easy to maintain