code: def p_lexpr(p):
      
      global LET_ASSIGNMENT
  
      LET_ASSIGNMENT = True  # Mark we're about to start a LET sentence
  
      if p[1] == 'LET':
          p[0] = p[2]
          i = 2
      else:
          p[0] = p[1]
          i = 1
  
      SYMBOL_TABLE.access_id(p[i], p.lineno(i))
docs: lexpr : ID EQ
                | LET ID EQ
                | ARRAY_ID EQ
                | LET ARRAY_ID EQ