#创建一个字符变量
username = "xiaoming"
#再创建一个变量
age = 18
#使用字符串拼接并输出
print(f'我的名字叫{username},今年{age}岁')
#把变量username的值转换成大写
print(username.upper())
#输出username变量的长度
print(len(username))
I+WIm+W7uuS4gOS4quWtl+espuWPmOmHjwp1c2VybmFtZSA9ICJ4aWFvbWluZyIKI+WGjeWIm+W7uuS4gOS4quWPmOmHjwphZ2UgPSAxOAoj5L2/55So5a2X56ym5Liy5ou85o6l5bm26L6T5Ye6CnByaW50KGYn5oiR55qE5ZCN5a2X5Y+re3VzZXJuYW1lfSzku4rlubR7YWdlfeWygScpCiPmiorlj5jph491c2VybmFtZeeahOWAvOi9rOaNouaIkOWkp+WGmQpwcmludCh1c2VybmFtZS51cHBlcigpKQoj6L6T5Ye6dXNlcm5hbWXlj5jph4/nmoTplb/luqYKcHJpbnQobGVuKHVzZXJuYW1lKSk=