so i have this data:
dict_value = {'17/11/2019': 191.9,
'18/11/2019': 191.9,
'19/11/2019': 191.9078431372549,
'20/11/2019': 191.93106497500963,
'21/11/2019': 191.9729839955975,
'24/11/2019': 192.11914148596625,
'25/11/2019': 192.21643005514406,
'26/11/2019': 192.28637397455017,
'27/11/2019': 192.35357499515604,
'28/11/2019': 192.4259838188754,
'1/12/2019': 192.54025896323324,
'2/12/2019': 192.57593508232216,
'3/12/2019': 192.60825135360366,
'4/12/2019': 192.6157709083643,
'5/12/2019': 192.58770146097748,
'8/12/2019': 192.584262187998,
'9/12/2019': 192.48291857278238,
'10/12/2019': 192.3620198052223,
'11/12/2019': 192.23409745991947,
'12/12/2019': 192.09550540266773,
'15/12/2019': 191.9701914653082,
'16/12/2019': 191.90861532941378,
'17/12/2019': 191.83376766943675,
'18/12/2019': 191.89911011377257,
'19/12/2019': 191.86385089362463,
'22/12/2019': 191.88095478014915,
'23/12/2019': 191.94052518092764,
'24/12/2019': 191.99972027187167,
'25/12/2019': 192.13071163375906,
'26/12/2019': 192.2824484324352,
'29/12/2019': 192.46745045469262,
'30/12/2019': 192.46745045469262,
'31/12/2019': 192.46745045469262,
'1/1/2020': 192.46745045469262,
'2/1/2020': 192.46745045469262,
'5/1/2020': 192.46745045469262,
'6/1/2020': 192.46745045469262,
'7/1/2020': 192.46745045469262,
'8/1/2020': 192.46745045469262,
'9/1/2020': 192.46745045469262}
i would like to plot the entire thing and draw a square around data from '10/12/2019' to '17/12/2019'