Loop through array of json objects

Question

What is the correct way to loop through the following json object?

test = [{
    'start': 'ieo5',
    'end': 'tiu9',
    'chain': 10489
}, {
    'start': 'qvc5',
    'end': 'tiu9',
    'chain': 45214
}, {
    'start': 'ieo5',
    'end': 'tiu9',
    'chain': 69296
}]

I essentially want to loop through and print out whatever the value of start is.

I've tried a bunch of options like the ones listed here but can't seem to get it to work.

This doesn't work:

for x in test
    print x['start']

Use print(x['start']) instead. Python 3 needs parentheses in print calls. — RoadRunner
– RoadRunner, Commented Nov 12, 2018 at 5:18
What you have there is not a JSON array. It is a Python structure of a list of dictionaries. — Klaus D.
– Klaus D., Commented Nov 12, 2018 at 5:23

U13-Forward · Accepted Answer · 2018-11-12 05:22:32Z

5

Your code logic works fine, just few things making it not work:

Since the tag is python-3.x, print needs to be called.
Need colon after for line.

So the code would look like:

for x in test:
    print(x['start'])

answered Nov 12, 2018 at 5:22

U13-Forward

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Comments

Karnikamit · Accepted Answer · 2018-11-12 05:20:40Z

1

worked for me!

for d in test:
     print d['start']

OP:

ieo5
qvc5
ieo5

answered Nov 12, 2018 at 5:20

Karnikamit

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Comments

Knl_Kolhe · Accepted Answer · 2018-11-12 05:21:28Z

1

The syntax is right just add a colon after the for statement

for x in test:
    print(x['start'])

answered Nov 12, 2018 at 5:21

Knl_Kolhe

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