def add_dic(a,b): englishlist.setdefault(a,b) def search_dic(c): print(c,end=" ") print(englishlist[c]) x=eval(input("choose 1-input,2-look for,3-exit")) englishlist={} while x!=3: if x==1: a=input("Please input an English word

: ") b=input("Please input its Chinese meaning: ") add_dic(a,b) elif x==2: c=input("Please input the English word: ") if c in englishlist: search_dic(c) else: print("No such word in the dictionary!") else: print("Invalid input!") x=eval(input("choose 1-input,2-look for,3-exit"))

Do you understand the Python code I just provided?

相关问题

class SchoolRegistration: def __init__(self, name, age, grade, phone_number): self.name = name self.age = age self.grade = grade self.phone_number = phone_number def get_name(self): return self.name def get_age(self): return self.age def get_grade(self): return self.grade def get_phone_number(self): return self.phone_number def set_name(self, name): self.name = name def set_age(self, age): self.age = age def set_grade(self, grade): self.grade = grade def set_phone_number(self, phone_number): self.phone_number = phone_number def print_registration(self): print("Name:", self.name) print("Age:", self.age) print("Grade:", self.grade) print("Phone Number:", self.phone_number)如何输出这段代码

这段代码不需要输出，它是一个Python类的定义，可以被其他代码调用和使用。如果要使用这个类，可以在其他代码中引入这个类的定义，然后实例化对象并调用类中定义的方法。例如，以下是一个使用这个类的示例代码：

# 引入类定义
from SchoolRegistration import SchoolRegistration

# 创建对象
student = SchoolRegistration("张三", 18, "高三", "123456789")

# 调用方法
student.print_registration()

这段代码创建了一个名为`student`的对象，使用`SchoolRegistration`类的构造函数初始化了对象的属性，然后调用了`print_registration`方法打印出对象的信息。

完善代码#include<iostream.h> void main() {class Person: def __init__(self, name, gender, age, profession): self.name = name self.gender = gender self.age = age self.profession = profession def set_name(self, name): self.name = name def set_gender(self, gender): self.gender = gender def set_age(self, age): self.age = age def set_profession(self, profession): self.profession = profession def display_name(self): print("Name:", self.name) def display_gender(self): print("Gender:", self.gender) def display_age(self): print("Age:", self.age) def display_profession(self): print("Profession:", self.profession) def display_all(self): self.display_name() self.display_gender() self.display_age() self.display_profession() class Student(Person): def __init__(self, name, gender, age, profession, school, major, grade): super().__init__(name, gender, age, profession) self.school = school self.major = major self.grade = grade def set_school(self, school): self.school = school def set_major(self, major): self.major = major def set_grade(self, grade): self.grade = grade def display_school(self): print("School:", self.school) def display_major(self): print("Major:", self.major) def display_grade(self): print("Grade:", self.grade) def display_all(self): super().display_all() self.display_school() self.display_major() self.display_grade() person1 = Person("Alice", "Female", 25, "Engineer") person1.display_all() student1 = Student("Bob", "Male", 20, "Student", "XYZ University", "Computer Science", "Sophomore") student1.display_all() }

抱歉，这段代码不是 C++ 代码，而是 Python 代码。可以参考下面的完整代码：

class Person:
    def __init__(self, name, gender, age, profession):
        self.name = name
        self.gender = gender
        self.age = age
        self.profession = profession
    
    def set_name(self, name):
        self.name = name
    
    def set_gender(self, gender):
        self.gender = gender
    
    def set_age(self, age):
        self.age = age
    
    def set_profession(self, profession):
        self.profession = profession
    
    def display_name(self):
        print("Name:", self.name)
    
    def display_gender(self):
        print("Gender:", self.gender)
    
    def display_age(self):
        print("Age:", self.age)
    
    def display_profession(self):
        print("Profession:", self.profession)
    
    def display_all(self):
        self.display_name()
        self.display_gender()
        self.display_age()
        self.display_profession()

class Student(Person):
    def __init__(self, name, gender, age, profession, school, major, grade):
        super().__init__(name, gender, age, profession)
        self.school = school
        self.major = major
        self.grade = grade
    
    def set_school(self, school):
        self.school = school
    
    def set_major(self, major):
        self.major = major
    
    def set_grade(self, grade):
        self.grade = grade
    
    def display_school(self):
        print("School:", self.school)
    
    def display_major(self):
        print("Major:", self.major)
    
    def display_grade(self):
        print("Grade:", self.grade)
    
    def display_all(self):
        super().display_all()
        self.display_school()
        self.display_major()
        self.display_grade()

person1 = Person("Alice", "Female", 25, "Engineer")
person1.display_all()

student1 = Student("Bob", "Male", 20, "Student", "XYZ University", "Computer Science", "Sophomore")
student1.display_all()

这个代码定义了两个类：`Person` 和 `Student`，其中 `Student` 是 `Person` 的子类。`Person` 类有四个属性：姓名、性别、年龄、职业，以及相应的 getter 和 setter 方法。`Student` 类在 `Person` 的基础上增加了三个属性：学校、专业、年级，也有相应的 getter 和 setter 方法。同时，`Student` 类重写了 `display_all()` 方法，打印出所有属性，包括父类属性和子类属性。

在代码的最后，创建了一个 `Person` 对象和一个 `Student` 对象，分别调用了它们的 `display_all()` 方法，打印出所有属性。