我正在做一个字典程序:
strEntry = str(input("Enter a string: ").upper())
strEntry = strEntry.replace(",", "")
strEntry = strEntry.replace(" ", "")
print('')
def freq_finder(strFinder):
dict = {}
for i in strFinder:
keys = dict.keys()
if i in keys:
dict[i] += 1
else:
dict[i] = 1
return dict
newDic = freq_finder(strEntry)
print(newDic)
newLetter = str(input("Choose a letter: ").upper())
if newLetter in newDic:
print("Frequency count of that letter:", count(newLetter))
newDic.pop(newLetter)
print("Dictinary after that letter removed:", newDic)
else:
print("Letter not in dictionary")
sortedDic = sorted(newDic)
print(sortedDic)
在这部分之前,一切正常:
print("Frequency count of that letter:", count(newLetter))
我想知道如何显示字母的频率计数。例如,在下面的代码中,“S”的值为4。所以字母“S”的频率计数应该是4。我应该怎么做才能得到这个结果
它应该是这样的:
Enter a string: Magee, Mississippi
Dictionary: {'M': 2, 'A': 1, 'G': 1, 'E': 2, 'I': 4, 'S': 4, 'P': 2}
Choose a letter: S
**Frequency count of that letter: 4**
Dictionary after that letter removed: {'M': 2, 'A': 1, 'G': 1, 'E': 2, 'I': 4, 'P': 2}
Letters sorted: ['A', 'E', 'G', 'I', 'M', 'P']
如果您能告诉我出了什么问题以及如何解决,我将不胜感激
您似乎忘记了定义count函数
只要在代码中添加这个,它就会工作
要从字典中访问值,只需执行以下操作
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