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Python

def double_the_difference(lst):
'''
Given a list of numbers, return the sum of squares of the numbers
in the list that are odd. Ignore numbers that are negative or not integers.
double_the_difference([1, 3, 2, 0]) == 1 + 9 + 0 + 0 = 10
double_the_difference([-1, -2, 0]) == 0
double_the_difference([9, -2]) == 81
double_the_difference([0]) == 0
If the input list is empty, return 0.
'''
if not lst:
return 0
result = 0
for num in lst:
if isinstance(num, int) and not isinstance(num, bool) and num > 0 and num % 2 == 1:
result += num ** 2
return result