<s> """<STR_LIT>""" <EOL> from sympy import dsolve , Eq , Function , sin , Symbol <EOL> def main ( ) : <EOL> x = Symbol ( "<STR_LIT:x>" ) <EOL> f = Function ( "<STR_LIT:f>" ) <EOL> eq = Eq ( f ( x ) . diff ( x ) , f ( x ) ) <EOL> print ( "<STR_LIT>" , eq , "<STR_LIT>" , dsolve ( eq , f ( x ) ) ) <EOL> eq = Eq ( f ( x ) . diff ( x , <NUM_LIT:2> ) , - f ( x ) ) <EOL> print ( "<STR_LIT>" , eq , "<STR_LIT>" , dsolve ( eq , f ( x ) ) ) <EOL> eq = Eq ( x ** <NUM_LIT:2> * f ( x ) . diff ( x ) , - <NUM_LIT:3> * x * f ( x ) + sin ( x ) / x ) <EOL> print ( "<STR_LIT>" , eq , "<STR_LIT>" , dsolve ( eq , f ( x ) ) ) <EOL> if __name__ == "<STR_LIT:__main__>" : <EOL> main ( ) </s>
