Python Dictionary values()用法及代码示例

字典 values() 方法

values() 方法用于获取字典的所有值，它返回一个视图对象，该对象包含字典的所有值作为列表。

用法:

    dictionary_name.values()

参数：

• 它不接受任何参数。

返回值：

这个方法的返回类型是<class 'dict_values'>，它将所有值作为包含所有值列表的视图对象返回。

例：

# Python Dictionary values() Method with Example

# dictionary declaration
student = {
  "roll_no":101,
  "name":"Shivang",
  "course":"B.Tech",
  "perc":98.5
}

# printing dictionary
print("data of student dictionary...")
print(student)

# getting all values
x = student.values()
print(x)

# printing type of values() Method
print('Type is:',type(student.values()))

# changing the value
# it will effect the value of view object also
student['course'] = 'MCA'

# printing dictionary
print("data of student dictionary...")
print(student)

# getting all values
x = student.values()
print(x)

输出

data of student dictionary...
{'roll_no':101, 'name':'Shivang', 'course':'B.Tech', 'perc':98.5}
dict_values([101, 'Shivang', 'B.Tech', 98.5])
Type is: <class 'dict_values'>
data of student dictionary...
{'roll_no':101, 'name':'Shivang', 'course':'MCA', 'perc':98.5}
dict_values([101, 'Shivang', 'MCA', 98.5])