20 lines
581 B
Python
20 lines
581 B
Python
""" Common methods used in parsing """
|
|
def flatten(arr: list) -> list:
|
|
"""Flattens array"""
|
|
return (
|
|
flatten(arr[0]) + (flatten(arr[1:]) if len(arr) > 1 else [])
|
|
if isinstance(arr, list) else [arr]
|
|
)
|
|
|
|
|
|
def sum_dict(arr: list[dict]) -> dict:
|
|
"""Sums a list of dicts: [{a:3,b:3},{b:1}] -> {a:3,b:4}"""
|
|
result = arr[0]
|
|
for element in arr[1:]:
|
|
for key in element.keys():
|
|
if key in result:
|
|
result[key] = result[key] + element[key]
|
|
else:
|
|
result[key] = element[key]
|
|
return result
|