我正在学习Python入门课程,我不知道如何添加一些try-except代码来捕获诸如zerodivisionerror和keyboardinterrupt之类的异常。完整代码如下:
def math():
x = float(0)
Flag = True
while(Flag):
low_rng = input("Select your Lower range :")
hi_rng = input("Select your Higher range :")
num_1 = input("Enter your first number :")
num_2 = input("Enter your second number :")
add = float(num_1) + float(num_2)
sub = float(num_1) - float(num_2)
mult = float(num_1) * float(num_2)
div = float(num_1) / float(num_2)
def IsInRange():
if float(num_1) < float(low_rng) or float(num_2) > float(hi_rng):
print("The input values are out side the input ranges.")
print("Please check the numbers and try again.")
print("Thanks for using our calculator.")
IsInRange = False
else:
try:
print("The result of " + num_1 + " + " + num_2 + " is " + str(add))
print("The result of " + num_1 + " - " + num_2 + " is " + str(sub))
print("The result of " + num_1 + " * " + num_2 + " is " + str(mult))
print("The result of " + num_1 + " / " + num_2 + " is " + str(div))
IsInRange = True
except ZeroDivisionError:
print("You can not divide by zero!")
except KeyboardInterrupt:
print("User Interruption!")
IsInRange()
cont = input('Continue Looping y/n ')
if(cont=="n"):
print ("Ending loop")
print("Done")
Flag = False
continue
math()
print语句不是发生异常的地方。 零错误发生在
键盘中断可以在应用程序启动后的任何时间发生
所以,在整个while块中尝试除键盘中断之外的其他操作
并尝试对除法语句执行除零除法错误
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