吳若靖python集合set字典dict統計字元數目37,241不同字元數目1,251

file = open('金融常識.txt','r',encoding='utf-8') reading = file.read() file.close() print('檔案字元characters數:', len(reading)) mySet = set(reading)#將串列轉成集合,稱她 mySet得到1251 myDict = dict() #定義字典dict稱他為 myDict例如改成DoraSet for j in mySet: myDict[j] = 0 for i in reading: myDict[i] += 1 for j in mySet: print(f"字元「{j}」出現{myDict[j]:,}次數") print(f'字元數目{len(reading):,}，不同字元數{len(mySet):,}') #python和其他所有語言不同的特徵 print(f"吳若靖統計左引號(出現次數{myDict['(']}") print(f'吳若靖統計右引號)出現次數{myDict[")"]}') print(f'吳若靖統計504每題四個選項至少有{504*4:,}')