day-001--初识python day-001--初识python

初识python 1.环境准备：pc一个，我用的window10，python用的3.7最新的，ide用的 pycharm，markdown编辑器用的Typora 2.其他系统的环境可以自己百度安装 3.见面国际惯例hello word

importsys print (sys.version) print(sys.version_info) print("Hello","www") print("Hello","hello","world",sep=',',end='！'); print('Hello','world',end='!\n!') print("I am %d years young" % 26) my_year = 26 print("I am %d years young" % my_year) my_name = 'jinxxx' print("I am %s " % my_name) my_name_str = 'jin' + 'xxx' print("My name is %s " % my_name) str_num = str(my_year) test_str = 'I am ' + str_num + 'years young' print(test_str)

输出结果：

3.7.4 (tags/v3.7.4:e09359112e, Jul8 2019, 19:29:22) [MSC v.1916 32 bit (Intel)] sys.version_info(major=3, minor=7, micro=4, releaselevel='final', serial=0) Hello www Hello,hello,world！Hello world! !I am 26 years young I am 26 years young I am jinxxx My name is jinxxx I am 26 years young