text = "Hello|Python|World"
#提取并拼接
parts = text. split ("|")          # 分割得到 ['Hello', 'Python', 'World']
result1 = parts[0] + " " + parts[2]   # 取第1个和第3个，用空格拼接
print( result1)
replaced = text. replace("Python", "AI")   # 将 Python 替换为 AI
result2 = replaced.upper()                # 转换为大写
print( result2 )