How to use numbers in Python ?

EXAMPLE PROGRAM
# Numbers
n1 = 1
n2 = 2.5
print(type(n1))
print(type(n2))
print(n1)
print(n1 + n2)

Output
<class 'int'>
<class 'float'>
1
3.5



RUNNING SOME EXAMPLES ON PYTHON SHELL

>>> a=3    # Name Created

>>> b=4

>>> a+1, a-1   # (3+1), (3-1)

(4,2)

>>> b*3, b/2

(12,2)

>>> 1 / 2.0

0.5

>>> 1/2

0

>>> 1 % 2

1