張嘉祐python集合set字典dict統計字元數目37,241不同字元數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 f string格式化字串文字
print(f"張嘉祐統計左引號(出現次數{myDict['(']:,}")
print(f'張嘉祐統計右引號)出現次數{myDict[")"]:,}')
print(f'張嘉祐統計504每題四個選項至少有{504*4:,}')
1019.沒有使用pre所以看不清楚。https://jhangjiayou.blogspot.com/2026/10/file-open.html
回覆刪除1012.https://jhangjiayou.blogspot.com/2026/10/w3schoolsstrlistsetdicttuple.html
要修改,不要讓人只看到妳的應付了事。https://jhangjiayou.blogspot.com/2026/10/pythonsetdict372411251.html