Dictionary
setdefaultif value does exist, return the existing value; Otherwise, set the key with a new value.
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counts = {}
value = counts.setdefault("apples", 0)
print(value) # 0
print(counts) # {'apples': 0}
setdefault if value does exist, return the existing value; Otherwise, set the key with a new value.1
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3
4
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counts = {}
value = counts.setdefault("apples", 0)
print(value) # 0
print(counts) # {'apples': 0}
