Python学习——文件操作和异常处理

# title = "Alice in Wonderland"# print(title.split())

def count_words(filename):    ‘‘‘ count how many words in a text file ‘‘‘    try:        with open(filename) as f_obj:            contents = f_obj.read()    except FileNotFoundError:        pass        #msg = "Sorry, the file " + filename + " does not exist."        #print(msg)    else:        words = contents.split()        print("The file " + filename + " has about " + str(len(words)) + " words.")

def addTwoNumber():    ‘‘‘ add two numbers. ‘‘‘    first_number = input("First Number: ")    second_number = input("Second Number: ")    try:        first_number = int(first_number)        second_number = int(second_number)    except ValueError:        print("Please check if your input is legal.")        return False    else:        res = first_number + second_number        print(str(first_number)+" + "+str(second_number)+" is "+str(res))        return True

原文地址：https://www.cnblogs.com/QiLF/p/9231787.html