Print a JSON file

[mrobie]

I would like to print just the date and value?

import json

# read file
with open('resting_heart_rate-2014-02-28.json') as json_file:
    data = json.load(json_file)
    for p in data['dateTime']:
        print('json_file')

fault when running the script:

Error:
PS C:\Users\Downloads\heart> C:/Users/erorobi/AppData/Local/Continuum/anaconda3/Scripts/activate
PS C:\Users\Downloads\heart> conda activate base
conda : The term 'conda' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that 
the path is correct and try again.
At line:1 char:1
+ conda activate base
+ ~~~~~
    + CategoryInfo          : ObjectNotFound: (conda:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException
 
PS C:\Users\Downloads\heart> & C:/Users/AppData/Local/Continuum/anaconda3/python.exe "c:/Users/Downloads/heart/read json.py"
Traceback (most recent call last):
  File "c:/Users/Downloads/heart/read json.py", line 6, in <module>
    for p in data['dateTime']:
TypeError: list indices must be integers or slices, not str
PS C:\Users\Downloads\heart>

json file format:

Output:
[{
  "dateTime" : "02/27/15 00:00:00",
  "value" : {
    "date" : "02/27/15",
    "value" : 75.0,
    "error" : 9.0
   }
  }]