[英]How to store multiple values in a dictionary?
如何在字典中存储多个值?
Looks like you expect stud_data
to be a list of dictionaries and not a dictionary, so make it a list and use .append
instead of .update
.看起来您希望stud_data
是字典列表而不是字典,因此将其.update
列表并使用.append
而不是.update
。
Also:还:
You will need to shift things around if you actually indent to allow the user input multiple times.如果您实际上缩进以允许用户多次输入,您将需要改变一些东西。
You don't need flag
.你不需要flag
。 Use while True
and break
when needed使用while True
并在需要时break
No need for parentheses around a single value单个值不需要括号
stud_data = []
while True:
Name = input("Enter the student name :")
Age = input("Enter the age :")
Gender = input("Enter the {} grade :")
repeat = input("Do you want to add input more?: ")
stud_data.append({
"Name": Name,
"Age": Age,
"Gender": Gender
})
if repeat == "no" or repeat == "NO":
break
print(stud_data)
Kim mentioned they are supposed to do lookups of students in the final step. Kim 提到他们应该在最后一步查找学生。 One could search the list but I believe a dict is the better choice.可以搜索列表,但我相信 dict 是更好的选择。 I'd suggest:我建议:
stud_data = {}
while True:
name = input("Enter the student name :")
age = input("Enter the age :")
gender = input("Enter the {} grade :")
repeat = input("Do you want to add input more?: ")
stud_data[name] = {'age': age, 'gender': gender}
if repeat.lower() == "no":
break
searched_name = input("Enter name to lookup :")
print(searched_name,stud_data.get(searched_name,"Record is not in the dictionary"))
Of course Kim will want to clean up the final print.当然,Kim 会想要清理最终的印刷品。
As it's said above, you could use a dictionary of lists.如上所述,您可以使用列表字典。 But instead of the break statement I would use the same "repeat" variable.但是我会使用相同的“重复”变量而不是 break 语句。
`stud_data = {"Name": [],
"Age": [],
"Gender": []}
repeat = 'yes'
while repeat == "yes" or repeat == "YES":
print(repr(repeat))
Name = input("Enter the student name :")
Age = input("Enter the age :")
Gender = input("Enter the {} grade :")
repeat = input("Do you want to add input more?: ")
stud_data['Name'].append(Name)
stud_data['Age'].append(Age)
stud_data['Gender'].append(Gender)
print(stud_data)`
A dictionary that stores records of students, even if they have the same name:一个存储学生记录的字典,即使他们有相同的名字:
stud_data = {}
while True:
Name = input("Enter the student name :")
Age = input("Enter the age :")
Gender = input("Enter the grade :")
repeat = input("Do you want to add input more?: ")
if not Name in stud_data:
stud_data[Name] = []
stud_data[Name].append({
"Name": Name,
"Age": Age,
"Gender": Gender
})
if repeat == "no" or repeat == "NO":
break
Querying the dict:查询字典:
name = input("Enter student name: ")
print(stud_data.get(name, "Record is not in the dictionary"))
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