p = '''
a = a.replace('.',' ').replace(',',' ')
a = a.split()
a = [i for i in a if i>'']
# print(a)
# print(len(a))
sa = set(a)
# print(sa)
# print(len(sa))
b = []
for i in sa:
t = [a.count(i),i.strip().lower()]
b.append(t)
b.sort()
b.reverse()
b0 = [i[0] for i in b]
# print(*b)
# for i in b:
# print(i[0],':',i[1])
# for i in b[:30]:
# print(i)
c = [i for i in b if i[0]>1 and i[1]>'9']
c0 = [i[0] for i in c]
# for i in c:
# print(i)
# print(len(c))
# print(sum(b0),sum(c0))
for i in c:
outline = f'{i[1]:<15} :{i[0]:>10}'
print(outline)
p = int(sum(c0)/sum(b0) * 10000)/100
print(p)
print(len(c0))
'''
print(p)
p1 = p.splitlines()
# p1 = [i for i in p.split('\n')]
print(len(p1))
for i in p1:
if len(i) >0:
t = i
t = t.strip()
if t[0]!='#':
print(i)
# 執行結果
a = a.replace('.',' ').replace(',',' ')
a = a.split()
a = [i for i in a if i>'']
sa = set(a)
b = []
for i in sa:
t = [a.count(i),i.strip().lower()]
b.append(t)
b.sort()
b.reverse()
b0 = [i[0] for i in b]
c = [i for i in b if i[0]>1 and i[1]>'9']
c0 = [i[0] for i in c]
for i in c:
outline = f'{i[1]:<15} :{i[0]:>10}'
print(outline)
p = int(sum(c0)/sum(b0) * 10000)/100
print(p)
print(len(c0))
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