<doocs>0136.Single Number_1.py
def singleNumber( nums: List[int]) -> int:
    res = 0
    for num in nums:
        res ^= num
    return res
def sample_funcname ( var_0 : List [ int ] ) -> int :
    var_4 = 0
    for var_5 in var_0 :
        var_4 ^= var_5
    return var_4
