Python Programming Essentials - M10 - Numbers and Artihmetic Operators

Python Programming Essentials - M10 - Numbers and Artihmetic Operators

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  http://www.skillbrew.com /SkillbrewTalent brewed bythe industry itself Numbers and Arithmetic Operators Pavan Verma @YinYangPavan Python Programming Essentials
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  © SkillBrew http://skillbrew.com NumberTypes  int : 20  long : 1000000000000000L  float : 3.14  complex : 1j * 1J 2
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  © SkillBrew http://skillbrew.com Arithmeticoperations 3 >>> x = 10 >>> y = 15 >>> x + y # add 25 >>> x - y # subtract -5 >>> x * y # multiply 150
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  © SkillBrew http://skillbrew.com Arithmeticoperations 4 >>> x = 10 >>> y = 15 >>> x ** y # exponent 1000000000000000L >>> y/x # division 1 >>> y%x # modulus 5
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  © SkillBrew http://skillbrew.com Floatingpoints 5 >>> 3/2 1 >>> 4/2 2 >>> 3.0/2 1.5 >>> 3/2.0 1.5 >>> 3.0/2.0 1.5 By default the division operation on int will return result also as int If any of the (numerator and denominator) is a floating point number the output is also a floating point number
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  © SkillBrew http://skillbrew.com Floatingpoints (2) 6 >>> 2 * 3.12 6.24 >>> 2 * 3.5 7.0 >>> 10 * 1.0 10.0 >>> 2 + 3.0 5.0 >>> 5 - 3.5 1.5 >>> 5 - 3.0 2.0 Multiplying, addition, subtraction, division with floating point number results in a floating point number Many times you might need to convert an integer to float, just multiply it by 1.0
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  © SkillBrew http://skillbrew.com Convertingint to binary, octal and hexadecimal >>> bin(3) '0b11' >>> oct(3) '03' >>> hex(3) '0x3' 7
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  © SkillBrew http://skillbrew.com Bitwiseoperators 8 >>> 0b0011 3 >>> 0b1010 10 >>> 0b0011 & 0b1010 2 >>> 0b0011 | 0b1010 11 >>> 0b0011 ^ 0b1010 9 Operator Description & Binary AND | Binary OR ^ Binary XOR << Left Shift operator >> Right Shift operator ~ One’s complement
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  © SkillBrew http://skillbrew.com Bitwiseoperators (2) 9 >>> 0b0011 << 2 12 >>> 0b1010 >> 2 2 >>> ~0b0011 -4 Operator Description & Binary AND | Binary OR ^ Binary XOR << Left Shift operator >> Right Shift operator ~ One’s complement
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  © SkillBrew http://skillbrew.com Summary Number Types  Arithmetic operators  Converting int to binary, octal and hexadecimal  Bitwise operators 10
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  © SkillBrew http://skillbrew.com Resources Tutorial on numbers http://www.tutorialspoint.com/python/python_numbers.htm  Converting a decimal to binary discussion http://stackoverflow.com/questions/3528146/convert- decimal-to-binary-in-python 11
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