Python で特定の単語をカウントする方法
文字列の count 関数を使うと、文字列に含まれる単語（部分文字列）をカウントできます。
text = "東京 大阪 名古屋 東京 福岡 東京"
count = text.count("東京")
print(count)
# 3
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