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<p>我写了下面的代码,我希望,当第一个循环结束并且没有返回False时,流将跟随到第二个while循环。但是,流跳过第二个while循环并返回True。为什么?如何解决这个问题,使第一个while循环之后的流转到第二个while循环?在</p>
<pre><code>square = [[1,2,3,4],[4,3,1,4],[3,1,2,4],[2,4,4,3]]
# this is an auxiliary function
def getSum(lis):
sum = 0
for e in lis:
sum = sum + e
return sum
# here is where the problem is
def check_game(square):
standardSum = getSum(range(1, len(square)+1))
while square: #this is the first while loop
row = square.pop()
print row, 'row', 'sum of row=', getSum(row)
if standardSum != getSum(row):
return False
m = 0
while m < len(square): # the second while loop, which the flow skips
n = 0
col = []
while n < len(square):
col.<a href="https://www.cnpython.com/list/append" class="inner-link">append</a>(square[n][m])
n = n + 1
print col, 'column'
if standardSum != getSum(col):
print standardSum, ' and sum of col =', getSum(col)
return False
m = m + 1
return True
</code></pre>