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nums = [5,12,7,9,7,14]
count_seven = nums.count(7)
print("数字7出现的次数",count_seven)
if 99 not in nums:nums.append(99)
print("添加99后的列表",nums)

Success #stdin #stdout 0.08s 14128KB

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Standard input is empty

stdout

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数字7出现的次数 2
添加99后的列表 [5, 12, 7, 9, 7, 14, 99]

https://ideone.com/chTliD

language:

Python 3 (python 3.12)

created:

visibility:

public

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