u010273362的博客

try: x=input('Enter the first number:') y=input('Enter the second number:') print x/y except ZeroDivisionError: print "The second number can't be zero!" Enter the first number:10 Ent

class MuffledCalculator: muffled=False def calc(self,expr): try: return eval(expr) except ZeroDivisionError: if self.muffled: print 'Div

while True: try: x=input('Enter the first number:') y=input('Enter the second number:') value=x/y print 'x/y is ',value except: print "Invalid input.Ple