Python f-string和append()

Question

我希望你们都做得很好！

所以我想从一个列表中随机选择6个人组成5个小组，然后将这6个选择的名字附加到特殊的小组中。例如:如果a，b，c，d，e，f是选择的前6个名字，将这些名字附加到group1；在group1包含6个名字之后，接下来的6个名字->附加到group2；以此类推，直到我有5组6个人。

我希望您能理解我，并希望您能提供帮助:)

我的代码：

import random

names = [30 names i dont wanna share]

group1 = list()
group2 = list()
group3 = list()
group4 = list()
group5 = list()


def choosegroup():


    def chooserandom():
        return(random.choice(names))


    def creategroup():
        for i in range(1,7):

            chosed = chooserandom()
            names.remove(chosed)

            #while(chosed in group1):
                #print('Ups')
                #print(chosed + ' already chosed')
            #    chosed = chooserandom()


            #print(chosed)

            group1.append(chosed)

    #print('Group 1:' + '\n' + str(group1) + '\n')

    createdgroup = creategroup()

    print(group1)

for i in range(1,6):
    print(f'Group {i}')
    choosegroup()
    group1.clear()

Answer 1

random.shuffle(names)
groups = [ names[i:i+6] for i in range(0, len(names), 6) ]

现在groups[0]，groups[1]等是你的6人小组。

Answer 2

一旦您有了名称列表，为了将它们分成随机的组，我会使用numpy

import numpy as np
groups = np.array(names)
np.shuffle(groups)
groups = np.reshape(groups, (5,6))

作为使用数字而不是名称的示例

>>> names = np.arange(30)
>>> names
array([ 0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15, 16,
       17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29])
>>> np.random.shuffle(names)
>>> names
array([ 8, 18, 23,  7, 25, 14, 11, 20, 13, 24, 15, 26, 19, 21, 12, 17,  0,
        6,  3, 10, 29,  9, 16, 28, 22,  5,  1,  4, 27,  2])
>>> np.reshape(names, (5,6))
array([[ 8, 18, 23,  7, 25, 14],
       [11, 20, 13, 24, 15, 26],
       [19, 21, 12, 17,  0,  6],
       [ 3, 10, 29,  9, 16, 28],
       [22,  5,  1,  4, 27,  2]])

Answer 3

您可以从全局变量访问它们，如下所示：

globals()[f"group{i}"]

尽管从字典中存储和检索它们是优选的。

您可以重写代码，如下所示：

import random
from collections import defaultdict

names = [30 names i dont wanna share]
groups = defaultdict(list)

def choosegroup(group_name):


    def chooserandom():
        return(random.choice(names))


    def creategroup(group_name):
        for i in range(1,7):

            chosed = chooserandom()
            names.remove(chosed)

            groups[group_name].append(chosed)

    createdgroup = creategroup()

    print(group_name, "\n", group[group_name])

for i in range(1,6):
    print(f'Group {i}')
    group_name = f"group{i}"
    choosegroup(group_name)
    groups[group_name].clear()