目前,我已经做到这一点,程序可以计算给定的消息中的字母频率,但在“降序”功能它一直说LetterCountTuple没有被定义,所以它排序,它不会打印出“new_letter_count”,它不会反转“new_letter_count”,它不会打印出降序我以为我定义它在函数中,并在主,上午我错过了什么?任何人都可以帮忙!我到目前为止的代码是这样的:我想做一个使用python的频谱分析程序,但我有问题
def main():
message = input("please enter message")
letterCount = getLetterCount(message)
LetterCountTuple,new_letter_count,descending = descending_order(letterCount)
def getLetterCount(message):
letterCount = {'A': 0, 'B': 0, 'C': 0, 'D': 0, 'E': 0, 'F': 0, 'G': 0, 'H': 0, 'I': 0, 'J': 0, 'K': 0, 'L': 0, 'M': 0, 'N': 0, 'O': 0, 'P': 0, 'Q': 0, 'R': 0, 'S': 0, 'T': 0, 'U': 0, 'V': 0, 'W': 0, 'X': 0, 'Y': 0, 'Z': 0}
for letter in message.upper():
if letter in letterCount:
letterCount[letter] += 1
print(letterCount)
return letterCount
def descending_order(letterCount):
letterCountTuple = letterCount.items()
new_letter_Count = LetterCountTuple.sort
print(new_letter_Count)
descending = reversed(new_letter_Count)
print(descending)
return new_letter_Count, descending
main()
非常感谢球员命名变量! – eliot