<s> """<STR_LIT>""" <EOL> class Stack : <EOL> def __init__ ( self ) : <EOL> self . stack = [ ] <EOL> def append ( self , item ) : <EOL> self . stack . append ( item ) <EOL> def pop ( self ) : <EOL> self . stack . pop ( ) <EOL> def get_size ( self ) : <EOL> return len ( self . stack ) <EOL> def get_stack ( self ) : <EOL> return self . stack <EOL> def __str__ ( self ) : <EOL> return self . stack </s>
