kodingwindow@kw:~$ python3
...
>>> import math
>>> math.pi
3.141592653589793

>>> math.e
2.718281828459045

>>> math.exp(1)
2.718281828459045

>>> math.inf
inf

>>> math.nan
nan
>>> math.factorial(10)
3628800

>>> math.fmod(7,3)
1.0

>>> math.fmod(10.5,3.5)
0.0

>>> math.fsum([1,1.1,3.14])
5.24

>>> math.modf(10.5)
(0.5, 10.0)
>>> math.gcd(18,21)
3
>>> math.lcm(24,36)
72

>>> import math
>>> math.log(2)
0.6931471805599453

>>> math.log10(2)
0.3010299956639812

>>> math.log2(2)
1.0

>>> math.log(2,10)
0.30102999566398114

>>> math.log(2,2)
1.0

>>> import math
>>> math.sqrt(25)
5.0

>>> math.sqrt(20)
4.47213595499958

>>> math.cbrt(27)
3.0000000000000004

>>> math.pow(2,10)
1024.0

>>> 2**10
1024

>>> round(2.3)
2

>>> round(2.8)
3

>>> round(-2.3)
-2

>>> round(-2.8)
-3
>>> abs(2.3)
2.3

>>> abs(-2.3)
2.3
>>> import math
>>> math.floor(2.3)
2

>>> math.floor(2.8)
2

>>> math.floor(-2.3)
-3

>>> math.floor(-2.8)
-3
>>> math.ceil(2.3)
3

>>> math.ceil(2.8)
3

>>> math.ceil(-2.3)
-2

>>> math.ceil(-2.8)
-2
>>> math.trunc(2.3)
2

>>> math.trunc(2.8)
2

>>> math.trunc(-2.3)
-2

>>> math.trunc(-2.8)
-2
>>> math.fabs(2.3)
2.3

>>> math.fabs(-2.3)
2.3

>>> int(7.99)
7

>>> float(7)
7.0

>>> a=int('10')
>>> b=int('20')
>>> c=a+b
>>> c
30
>>> float('inf')
inf

>>> float('nan')
nan

>>> import math
>>> math.isinf(0)
False

>>> math.isinf(float('inf'))
True

>>> math.isnan(float('nan'))
True

>>> n=255
>>> print("Binary",bin(n))
Binary 0b11111111

>>> print("Octal",oct(n))
Octal 0o377

>>> print("Hexadecimal",hex(n))
Hexadecimal 0xff
>>> n="11111111"
>>> print("Decimal",int(n,2))
Decimal 255

>>> print("Octal",oct(int(n,2)))
Octal 0o377

>>> print("Hexadecimal",hex(int(n,2)))
Hexadecimal 0xff
>>> n=0o377
>>> print("Decimal",int(n))
Decimal 255

>>> print("Hexadecimal",hex(n))
Hexadecimal 0xff
>>> n=0Xff
>>> print("Decimal",int(n))
Decimal 255

>>> print("Octal",oct(n))
Octal 0o377

>>> print("Binary",bin(n))
Binary 0b11111111