这一部分的内容比较基础也比较简单,这里直接贴上课后练习题的代码,不做赘述:
str1='new string' #2-1 新建变量并打印 print(str1) str1='the string has been changed' #2-2 修改变量并打印 print(str1) name='XiaoMing' #2-3 个性化消息 print('Good morning, '+name+'!') print(name.title()) #2-4 调整名字大小写 print(name.upper()) print(name.lower()) sentence1='My mum once said,"zao shui zao qi shen ti hao."' #2-5 名言1 print(sentence1) person='My num' #2-6 名言2 sentence2=person+' once said,"zao shui zao qi shen ti hao."' print(sentence2) name2='\tXiao Hong\t' #2-7 删除空白(为了美观这里没有使用'\n') print('_'+name2+'_') print('_'+name2.lstrip()+'_') print('_'+name2.rstrip()+'_') print('_'+name2.strip()+'_') print(5+3) #2-8 四则表达式输出结果8 print(10-2) print(4*2) print(int(16/2)) fav_num=6 #2-9 输出最喜欢的数字 sentence3='My favori number is '+str(fav_num) print(sentence3) import this #2-11 Python之禅