張哲瑋python集合set字典dict統計字元數目37,241不同字元數1,251 10月 11, 2026
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 f string格式化字串文字
print(f"張哲瑋統計左引號(出現次數{myDict['(']:,}")
print(f'張哲瑋統計右引號)出現次數{myDict[")"]:,}')
print(f'張哲瑋統計504每題四個選項至少有{504*4:,}')
1019.要使用pre才能清楚呈現。https://jhangjhe-wei.blogspot.com/2026/10/ile-open.html
回覆刪除https://jhangjhe-wei.blogspot.com/2026/10/blog-post.html
這個會讓人覺得你只是應付了事。https://jhangjhe-wei.blogspot.com/2026/10/pythonsetdict372411251-10-11-2026_0254645609.html