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) myDict = dict() 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 f string格式化字串文字 print(f"廖怡婷統計左引號(出現次數{myDict['(']:,}") print(f"廖怡婷統計右引號(出現次數{myDict[")"]:,}") print(f'廖怡婷統計504每題四個選項至少有{504*4:,}') \
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