variavel = input('informe um valor')
print('{' + variavel + '}')
#https://pt.stackoverflow.com/q/444281/101
dmFyaWF2ZWwgPSBpbnB1dCgnaW5mb3JtZSB1bSB2YWxvcicpCnByaW50KCd7JyArIHZhcmlhdmVsICsgJ30nKQoKI2h0dHBzOi8vcHQuc3RhY2tvdmVyZmxvdy5jb20vcS80NDQyODEvMTAx