[英]Breaking out of infinite loop
我的代码不允许我跳出无限循环,因此退出程序。 这是我的代码:
while True:
print("\n1. Surname\n2. D.O.B\n3. Quit")
try:
select = int(input("Please select an option: "))
if select == 1:
surnameSearch()
elif select == 2:
DOB_search(BkRdr)
elif search == 3:
break
except:
print("That was an incorrect option, please try again:")
输入/输出如下所示:
1. Surname
2. D.O.B
3. Quit
Please select an option: 3
That was an incorrect option, please try agan:
1. Surname
2. D.O.B
3. Quit
Please select an option:
应该select
不search
:
while True:
print("\n1. Surname\n2. D.O.B\n3. Quit")
try:
select = int(input("Please select an option: "))
if select == 1:
surnameSearch()
elif select == 2:
DOB_search(BkRdr)
elif select == 3:
break
except:
print("That was an incorrect option, please try again:")
另外,我建议您使用else
语句代替通用的except
子句,如下所示:
while True:
print("\n1. Surname\n2. D.O.B\n3. Quit")
try:
select = int(input("Please select an option: "))
except ValueError:
print("Not a valid input")
else:
if select == 1:
surnameSearch()
elif select == 2:
DOB_search(BkRdr)
elif select == 3:
break
else:
print("That was an incorrect option, please try again:")
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