我有一个代码,它首先将电子邮件按字母顺序排序,然后尝试使用二进制搜索从列表中搜索用户输入的电子邮件。然而,我一直困在如何做到这一点这么久,并没有找到任何解决办法,我得到的错误,以及如何修复它。这是我的密码
def BubbleSort(logindata):
NoSwaps = 1
N = len(logindata)
logindata = list(logindata)
while NoSwaps == 1:
Count = 1
NoSwaps = 0
for Count in range(N-1):
if logindata[Count] > logindata[Count+1]:
temp = logindata[Count]
logindata[Count] = logindata[Count+1]
logindata[Count+1]=temp
NoSwaps=1
return tuple(logindata)
def BinarySearch(logindata,ItemSought):
First=0
Last=len(logindata)-1
ItemFound = False
SearchFailed = False
while ItemFound == False or SearchFailed == False:
Midpoint = (First + Last) // 2
if logindata[Midpoint] == ItemSought:
ItemFound = True
print("Item Found")
break
elif logindata[Midpoint] > ItemSought:
Last = Midpoint - 1
else:
First = Midpoint + 1
if __name__ == "__main__":
logindata=["tom@gmail.com","Password1"],["harry@gmail.com","Password2"],["jake@gmail.com","Password3"]
logindata=BubbleSort(logindata)
print(logindata)
ItemSought=input("Enter username")
BinarySearch(logindata,ItemSought)
我当前得到的错误是:
elif logindata[Midpoint] > ItemSought:
TypeError: unorderable types: list() > str()
您正在比较用户名/密码对(例如
["tom@gmail.com","Password1"]
)和用户名(例如"tom@gmail.com"
)。你知道吗您需要先从
logindata[Midpoint]
中提取用户名,然后再将其与ItemSought
进行比较。你知道吗相关问题 更多 >
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