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[英]What is the error in my code? I am trying to use the function to find the biggest number from the array given
[英]I am trying to debug python code given but it gives the error as given
我收到错误信息
Traceback:
in <module>
in merge_ranges
TypeError: 'int' object is not iterable
有人可以建议出什么问题吗,也可以用于调试吗?
meets = [(1,3),(5,8),(8,14),(13,17)]
print '{} should be {}'.format(merge_ranges(meets))
def merge_ranges(meets):
#sort by start time
sorted_meetings = sorted(meets)
merged_meetings = sorted_meetings[0]
for current_meeting_start, current_meeting_end in sorted_meetings[1:]:
last_merged_meeting_start, last_merged_meeting_end = merged_meetings[-1]
if (current_meeting_start <= last_merged_meeting_end):
merged_meetings[-1] = (last_merged_meeting_start, max(last_merged_meeting_end, current_meeting_end))
else:
merged_meetings.append((current_meeting_start, current_meeting_end))
# write the body of your function here
return merged_meetings
您merged_meetings
变量merged_meetings
初始化为单个元组,但是它应该是元组列表。
因此,您必须将merged_meetings
的初始化修改为
merged_meetings = [sorted_meetings[0]]
测试用例的结果将是
[(1, 3), (5, 17)]
您不能像下面两行那样更改元组:
merged_meetings[-1] = (last_merged_meeting_start, max(last_merged_meeting_end, current_meeting_end)) # here
merged_meetings.append((current_meeting_start, current_meeting_end)) # and here
元组是不可变的。 您不仅在使用元组,而且还释放了超出应有的值。
问题在这一行:
last_merged_meeting_start, last_merged_meeting_end = merged_meetings[-1]
merged_meetings
是一个元组,例如(1,3)
。
merged_meetings[-1]
是单个值3。
您尝试将3解压缩为两个变量,这是不可能的。
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