In Python, how do I extract particular columns from the following JSON style from a URL then convert them to a CSV file
[
{
"col_1":123,
"col_2":"value",
"col_3":"value",
},
{
"col_1":123,
"col_2":"value",
"col_3":"value",
},
{
"col_1":123,
"col_2":"value",
"col_3":"value",
},
...
]