Function to sum of all subsets of a given array
def subsetSum ( ) : NEW_LINE INDENT global ans NEW_LINE L = len ( c ) NEW_LINE mul = pow ( 2 , L - 1 ) NEW_LINE i = 0 NEW_LINE while ( i < len ( c ) ) : NEW_LINE INDENT ans += c [ i ] * mul NEW_LINE i += 1 NEW_LINE DEDENT DEDENT