I'm trying to convert a string that looks like this into an array of tuples
"[(1,2), (2,3), (4,5)]" -> [(1,2), (2,3), (4,5)]
Here is the body of code I would like to populate:
def convert_to_polygon(polygon_string):
return polygon_array
Should I be using a python library? Does one exist for this job?
You can use ast.literal_eval:
>>> import ast
>>> s = '{{1,2},{2,3},{4,5}}'
>>> polygon_array = ast.literal_eval(s.replace('{', '(').replace('}', ')'))
>>> polygon_array
((1, 2), (2, 3), (4, 5))
>>> polygon_array[1][0]
2
Use list(polygon_array) if you want a list of tuples.
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