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nums = [5, 12, 7, 9, 21, 7, 14]
count_seven = nums.count(7)
print("数字7出现的次数：", count_seven)

Success #stdin #stdout 0.08s 14172KB

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Standard input is empty

stdout

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数字7出现的次数： 2

https://ideone.com/t90LPM

language:

Python 3 (python 3.12)

created:

visibility:

public

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