python基础编程

import keyword;print("Hello, World!,hehehe");print "shixinfa"print keyword.kwlist;# print "first"if True:    print ("True");else:    print ("false");data=input("enter number");print data;num1=100;num2=100.00;name="shixinfa";print num1;print num2;print name;print name[0];print name[1:4]list=['shixincfa','zhangyan','shixiaochun']print list;print list[0];print list[1];shuzu=('shixiaochun','yewen','zhenzidan');print shuzu[0];print shuzu[1:]setdata={'tom','jack','yewen'};print setdata;a=2;b=9;print a+b;print a>b;print a<b;sj1="sxf";if('s' in sj1):    print "all in";else:    print "not in"listdata=['sss','dfdf','yweru'];print listdata;del listdata[2];print listdata;dict={"name":"sxf","age":22};print dict["name"];print dict["age"];count = 0while count < 5:   count = count + 1else:   print (count)for i in range(4,9):    print i;

list=[2,5,6,7]it=iter(list);for x in it:    print x;def hello():    print ("shixinfa");    print ("shixinfa2");hello();def area(width,heigh):    return width*heigh;s=area(2,5);print s;a = [66.25, 333, 333, 1, 1234.5]a.append(22);a.remove(333);print a;
fo = open("runoob.txt", "wb")print("filename", fo.name)fo.close();try:    a=10/0;except OSError as err:    print "error";finally: print "all pribt";