PyThreadState *_PyThreadState_Current = NULL; 用PyThreadState_GET宏获取当前的线程状态tstate,并将PyExc_ZeroDivisionError存放在tstate的curexc_type域,"integer division or modulo by zero"存放在tstate的curexc_value域中 Python无论多么强悍,总会在一个操作系统提供的线程中运行。真实的线程及其状态由操作系统来...
AI代码解释 importsystry:f=open('myfile.txt')s=f.readline()i=int(s.strip())except OSErroraserr:print("OS error: {0}".format(err))except ValueError:print("Could not convert data to an integer.")except:print("Unexpected error:",sys.exc_info()[0])raise try/except…else try/except ...
except ZeroDivisionError: print("division by zero!") else: print("result is", result) finally: print("executing finally clause") >>> divide(2, 1) result is 2.0 executing finally clause >>> divide(2, 0) division by zero! executing finally clause >>> divide("2", "1") executing finall...
except ZeroDivisionError: print("division by zero!") else: print("result is", result) finally: print("executing finally clause") >>> divide(2, 1) result is 2.0 executing finally clause >>> divide(2, 0) division by zero! executing finally clause >>> divide("2", "1") executing finall...
>python zerodivision.py Enter first number:5 Enter second number:0 Cannot divide by zero Enter first number:10 Enter second number:2 10.0 / 2.0 is 5.0 1. 2. 3. 4. 5. 6. 7. 完整的异常处理还包括一个始终执行的部分,finally。
defdivide(dividend, divisor):returndividend / divisorifdivisor !=0elseNoneresult = divide(10,0)assertresultisnotNone,"Divide by zero"print(result) 【3】小结 需要注意的是,assert语句通常用于调试和测试时使用。 在生产环境中,它可能会导致意想不到的错误产生,因此不应常规使用。
Looks like you did not enter an integer! Try again-Please enter an integer: 4 Finally, I executed! Sqaure of the the number 4 is 16 这样,我们就可以提供逻辑并处理异常。但在同一个例子中,如果用户再次输入字符串值。那会发生什么? 所以在这种情况下,最好在循环中输入,直到用户输入一个数字。
In [11] def divide(x, y): try: result = x / y except ZeroDivisionError: print("division by zero!") else: print("result is", result) finally: print("executing finally clause") In [12] divide(2, 1) ('result is', 2) executing finally clause ...
) finally: print("executing finally clause") divide(2, 1) # result is 2.0 # executing finally clause divide(2, 0) # division by zero! # executing finally clause divide("2", "1") # executing finally clause # TypeError: unsupported operand type(s) for /: 'str' and 'str' 5. try ...
The “ZeroDivisionError: float division by zero” occurs when a user tries to divide a floating point number by the value “0” in Python. To resolve this error, you can use the “if-else” statement to check whether the input number is equal to zero or not before performing the calculat...