Remove duplicate JSON objects from list in python

Question

I have a list of dict where a particular value is repeated multiple times, and I would like to remove the duplicate values.

My list:

te = [
      {
        "Name": "Bala",
        "phone": "None"
      },
      {
        "Name": "Bala",
        "phone": "None"
      },
      {
        "Name": "Bala",
        "phone": "None"
      },
      {
        "Name": "Bala",
        "phone": "None"
      }
    ]

function to remove duplicate values:

def removeduplicate(it):
    seen = set()
    for x in it:
        if x not in seen:
            yield x
            seen.add(x)

When I call this function I get generator object.

<generator object removeduplicate at 0x0170B6E8>

When I try to iterate over the generator I get TypeError: unhashable type: 'dict'

Is there a way to remove the duplicate values or to iterate over the generator

Answer 1

You can easily remove duplicate keys by dictionary comprehension, since dictionary does not allow duplicate keys, as below-

te = [
      {
        "Name": "Bala",
        "phone": "None"
      },
      {
        "Name": "Bala",
        "phone": "None"
      },
      {
        "Name": "Bala",
        "phone": "None"
      },
      {
        "Name": "Bala",
        "phone": "None"
      },
      {
          "Name": "Bala1",
          "phone": "None"
      }      
    ]

unique = { each['Name'] : each for each in te }.values()

print unique

Output-

[{'phone': 'None', 'Name': 'Bala1'}, {'phone': 'None', 'Name': 'Bala'}]