class DAXIE:
def caozuo(self,s):
fp = open('C:/Users/老头/Desktop/test4.txt', 'w', encoding="utf8")
string = s.upper()
fp.write(string)
fp=open('C:/Users/老头/Desktop/test4.txt', 'r')
return fp.read()
if name =='__main__':
s=input("shuruzimu:")
print(DAXIE().caozuo(s))
