nums = [-1, 2, 4, 0, -2, 1, 3, 4]
counts = {}
for i in nums:
counts[i] = counts.get(i, 0) + 1
print(counts) # {-1: 1, 2: 1, 4: 2, 0: 1, -2: 1, 1: 1, 3: 1}
nums = [-1, 2, 4, 0, -2, 1, 3, 4]
counts = {}
for i in nums:
counts[i] = counts.get(i, 0) + 1
print(counts) # {-1: 1, 2: 1, 4: 2, 0: 1, -2: 1, 1: 1, 3: 1}
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