+
−import sys
+
−
+
−globalvars = {}
+
−lines = sys.stdin.readlines()
+
−while lines:
+
−    l = lines.pop(0)
+
−    if l.startswith('SALT'):
+
−        print(l[:-1])
+
−    elif l.startswith('>>> '):
+
−        snippet = l[4:]
+
−        while lines and lines[0].startswith('... '):
+
−            l = lines.pop(0)
+
−            snippet += l[4:]
+
−        c = compile(snippet, '<heredoc>', 'single')
+
−        try:
+
−            exec(c, globalvars)
+
−        except Exception as inst:
+
−            print(repr(inst))