Python练习题答案: 积极总和【难度:0级】--景越Python编程实例训练营,1000道上机题等你来挑战

积极总和【难度:0级】:

答案1:

def positive_sum(arr):
    return sum(x for x in arr if x > 0)

答案2:

def positive_sum(arr):
    # Your code here
    return sum(x for x in arr if x > 0)

答案3:

def positive_sum(arr):
    return sum((x for x in arr if x > 0))

答案4:

def positive_sum(arr):
    return (sum(x for x in arr if x > 0))

答案5:

def positive_sum(arr):
    # Your code here
    return sum((x for x in arr if x > 0))

答案6:

def positive_sum(arr):
    return sum(x for x in arr if x > 0)
    return 0

答案7:

def positive_sum(arr):
    # Your code here
    return (sum(x for x in arr if x>0))

答案8:

def positive_sum(arr):
    return sum(x for x in arr if x > 0);
    return 0

答案9:

def positive_sum(arr):
    sum = 0
    for e in arr:
        if e > 0:
            sum = sum + e
    return sum

答案10:

def positive_sum(arr):
    # Your code here
    sum = 0
    for e in arr:
        if e > 0:
            sum = sum + e
    return sum

答案11:

def positive_sum(arr):
    return sum(filter(lambda x: x > 0,arr))

答案12:

def positive_sum(arr):
    # Your code here
    return sum(filter(lambda x: x > 0, arr))

答案13:

def positive_sum(arr):
    return sum(filter(lambda(x):x > 0,arr))

答案14:

def positive_sum(arr):
    # Your code here
    
    return sum(filter(lambda x:(x>0),arr))

答案15:

def positive_sum(arr):
    return sum(filter( lambda x: x > 0, arr))
  
    
    return 0

答案16:

def positive_sum(arr):
    ''' I really hate these one line codes, but here I am...
        trying to be cool here... and writing some'''
    return sum(map(lambda x: x if x > 0 else 0, arr))

答案17:

positive_sum = lambda l: sum(x for x in l if x>0)

答案18:

positive_sum = lambda l: sum(x for x in l if x>=0)

答案19:

def positive_sum(arr):
    return sum(i for i in arr if i > 0)

答案20:

def positive_sum(arr):
    return sum(i for i in arr if i > 0)# Your code here​

答案21:

def positive_sum(arr):
    # Your code here
    return sum(i for i in arr if i > 0)

答案22:

def positive_sum(arr):
    return sum(i for i in arr if (i > 0))

答案23:

def positive_sum(arr):
    return(sum(i for i in arr if i > 0))

答案24:

def positive_sum(arr):
    return sum (i for i in arr if (i > 0));

答案25:

def positive_sum(arr):
    return sum(i for i in arr if i>0)
    return 0

答案26:

def positive_sum(list):
    answer = 0
    for numbers in list: 
        if numbers > 0:
            answer += numbers
    return answer​

答案27:

def positive_sum(arr):
    summ = 0
    for temp in arr :
        if temp > 0 :
            summ += temp
    return summ
​

答案28:

def positive_sum(arr):
    return sum( max(i, 0) for i in arr )

答案29:

positive_sum = lambda a: sum(e for e in a if e > 0)

答案30:

def positive_sum(arr):
    return sum([i for i in arr if i==abs(i)])



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