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+"""
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+example02 - 数据类型
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+author: tanlie
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+date: 2026/8/20
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+"""
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+
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+print(100) # integer 100
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+print(0b100) # binary 二进制 4
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+print(0o100) # octal 八进制 64
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+print(0x100) # hexadecimal 十六进制 256
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+
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+print(3.14) # float 浮点数 3.14
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+print(3.14e2) # scientific notation 科学计数法 314.0
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+
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+print("hello python") # string 字符串
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+
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+print(True) # boolean 布尔值 True
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+print(False) # boolean 布尔值 False
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