︠4ef2f2b3-e6ad-4873-81d6-980fe9256f15︠
@interact
def plotfunction(f=input_box(x^2)):
    P=plot(f,0,1)
    show(P)
︡096e9bad-ed29-4089-a77c-593cef421ffa︡{"html": "<!--notruncate--><div padding=6 id='div-interact-3'> <table width=800px height=20px bgcolor='#c5c5c5'\n                 cellpadding=15><tr><td bgcolor='#f9f9f9' valign=top align=left><table><tr><td align=right><font color=\"black\">f&nbsp;</font></td><td><input type='text' value=\"\n                                       2\n                                      x\" size=80 onchange='interact(3, \"sage.server.notebook.interact.update(3, \\\"f\\\", 5, sage.server.notebook.interact.standard_b64decode(\\\"\"+encode64(this.value)+\"\\\"), globals())\")'></input></td></tr>\n</table><div id='cell-interact-3'><?__SAGE__START>\n        <table border=0 bgcolor='#white' width=100% height=100%>\n        <tr><td bgcolor=white align=left valign=top><pre><?__SAGE__TEXT></pre></td></tr>\n        <tr><td  align=left valign=top><?__SAGE__HTML></td></tr>\n        </table><?__SAGE__END></div></td>\n                 </tr></table></div>\n                 "}︡