Question

我正在尝试在.txt文件中写入，然后按字母顺序对内部名称进行排序，然后打印。我该怎么办？如果不能做到，还有其他选择吗？

print("Well done " + name + "! your total score is: {}/10 :)\n".format(score))
#os.system("color 0a")
time.sleep(3)
file = open(str(age) + ".txt" , "a") # Creates a file.txt if it hasn't already been created and ammends it 'a'
file.write(name + " " + str(age) + " {}\n".format(score)) # Writes into the file, .format(x) replaces {} with the variable x
file.close
f = open(str(age) + ".txt" , "r")
lines = f.readlines()
f.close()
lines.sort()
f = open(str(age) + ".txt" , "w")
for line in lines:
    f.write(line)
print(lines)
f.flush()
f.close()

Answer 1

我猜测输入看起来像 -

确保每个名称都在一个单独的行上，这似乎与您的代码不同，因为file.write（）不会自动将\n附加到结尾，您必须手动做到了 -

file.write(name + " " + str(age) + " {}\n".format(score))

然后你可以做 -

f = open(str(age) + ".txt" , "r")
lines = f.readlines()
f.close()
lines.sort()
f = open(str(age) + ".txt" , "w")
for line in lines:
    f.write(line)
f.flush()
f.close()

Answer 2

import random, time, operator, os # Import modules required for specific tasks

def quiz():
    score = 0
    for q in range (1,11): # 'for' loop: Repeats the lines between 0 to 11 times- 10 times
        ops = {'+':operator.add,
               '-':operator.sub,
               '*':operator.mul}
        op = random.choice(list(ops.keys()))
        if op != '*': # != means 'not equal'
            r1 = random.randint (-1, 100) # Randomises a number from -1 to 100
            r2 = random.randint (-1, 100)
            answer = ops.get(op)(r1,r2)
        else:
            r1 = random.randint(-1,12)
            r2 = random.randint(-1,12)
            answer = ops.get(op)(r1,r2)
        if equ == answer :
            score += 1 
            print("Correct, Well done, your score is: " + str(score))
        elif end - start >= 20:
            print("You took too long to answer.")
        else:
            print("Incorrect, Sorry. Your score is: " + str(score))

    print("Well done " + name + "! your total score is: {}/10 :)\n".format(score))
    time.sleep(3)
    file = open(str(age) + ".txt" , "a") # Creates a file.txt if it hasn't already been created and ammends it 'a'
    file.write(name + " " + str(age) + " {}".format(score)) # Writes into the file, .format(x) replaces {} with the variable x
    file.close
    f = open(str(age) + ".txt" , "r")
    lines = f.readlines()
    f.close()
    lines.sort()
    f = open(str(age) + ".txt" , "w")
    for line in lines:
        f.write(line)
    print(lines)
    f.flush()
    f.close()

start = "" # Defines a variable
while start not in ('Y', 'y', 'yes', 'Yes') : # Repeats the lines beneath until the condition is met i.e.: input = 'y'
    name = input("Welcome to the Maths Quiz! Please enter your name: \n").upper()
    age = input("Enter your class number: 1, 2 or 3 \n")
    while age not in ('1', '2', '3') :
        age = input("Enter your class number: 1, 2 or 3 \n")
    start = input("You are " + name + " in class: " + str(age) + "\nIs this right? Enter y=Yes or n=No \n" )
time.sleep(2)
print("Get ready! The Quiz will now begin!") # Displays on the screen
time.sleep(2)
quiz() # Runs the function quiz

Python：我如何对文本文件中的数据进行排序？

2 个答案: