correct
関数内の変数を理解するのに問題がありnext_block(the_file)
ます。correct
変数にインデックスが付けられていない場合、プログラムは正しく機能しません。したがって、correct[0]
。だから私の質問は、インデックスが付けられていないのになぜ正しく機能しないのか、整数が添え字にできない場合でもインデックスが付けられるのはなぜかということです。
使用するテキストファイルは次のとおりです。
An Episode You Can't Refuse
On the Run With a Mammal
Let's say you turn state's evidence and need to "get on the lamb." /If you wait too long, what will happen?
You'll end up on the sheep
You'll end up on the cow
You'll end up on the goat
You'll end up on the emu
1
A lamb is just a young sheep.
The Godfather Will Get Down With You Now
Let's say you have an audience with the Godfather of Soul. /How would it be smart to address him?
Mr. Richard
Mr. Domino
Mr. Brown
Mr. Checker
3
James Brown is the Godfather of Soul.
そしてこれはコードです:
# Trivia Time
# Trivia game that reads a plain text file
def open_file(file_name, mode):
"""Open a file."""
try:
the_file = open(file_name, mode)
except(IOError), e:
print "Unable to open the file", file_name, "Ending program.\n", e
raw_input("\n\nPress enter to exit..")
sys.exit()
else:
return the_file
def next_line(the_file):
"""Return the next line from the trivia file, formatted."""
line = the_file.readline()
line = line.replace("/", "\n")
return line
def next_block(the_file):
"""Return the next block of data from the trivia file."""
category = next_line(the_file)
question = next_line(the_file)
answers = []
for j in range(4):
answers.append(next_line(the_file))
correct = next_line(the_file)
if correct:
correct = correct[0]
explanation = next_line(the_file)
return category, question, answers, correct, explanation
def welcome(title):
"""Welcome the player and get his/her name."""
print "Welcome to Trivia Challenge!\n"
print title, "\n"
def main():
trivia_file = open_file("trivia.txt", "r")
title = next_line(trivia_file)
welcome(title)
score = 0
# get first block
category, question, answers, correct, explanation = next_block(trivia_file)
while category:
# ask a question
print category
print question
for j in range(4):
print j + 1, "-", answers[j]
# get answer
answer = raw_input("What's your answer?: ")
# check answer
if answer == correct:
print "\nRight!",
score = score + 1
else:
print "\nWrong.",
print explanation
print "Score:", score, "\n\n"
# get next block
category, question, answers, correct, explanation = next_block(trivia_file)
trivia_file.close()
print "That was the last question!"
print "Your final score is:", score
main()
raw_input("\n\nPress the enter key to exit.")