函数没有SELF
class User(object):
def init(self,first_name,last_name,age,gender):
self.first_name = first_name
self.last_name = last_name
self.age = age
self.gender = gender
def describe_user(self):
full_name = self.first_name +self.last_name
print("\nThe user's full name is " + full_name.title() + '.')
print("The user is " + str(self.age) + "years old.")
print("The user is a " + self.gender + ".")
def greet_user(self):
if self.gender == 'man':
print("Hello, Mr " + self.first_name + '!' )
else:
print("Hello,Mrs " + self.first_name + '!')
print(full_name.title())
user1 = User('smith','tom',34,'men')
user2 = User('Elizabeth','alice',24,'women')
user1.describe_user()
The user's full name is Smithtom.
The user is 34years old.
The user is a men.