<doocs>0041.First Missing Positive_1.py
def firstMissingPositive( nums):
    i = 1
    while i in nums:
        i += 1
    return i
def sample_funcname ( var_0 ) :
    var_2 = 1
    while var_2 in var_0 :
        var_2 += 1
    return var_2
