Python: Integers, Floating Point Numbers and Complex Number

integers:

Int, or integer, is a whole number, positive or negative, without decimals, of unlimited length .

Example

Integers:

x = 7

y = 7893245783756

z = -46582756

print(type(x))

print(type(y))

print(type(z))

Floating Point Numbers:

Float, or "floating point number" is a number, positive or negative, containing one or more decimals.

Example

Floats:

x = 1.15

y = 1.5

z = -35.58

print(type(x))

print(type(y))

print(type(z))

by using the command "print(type(x))" you can identify the class/ Type by a certain value which show to be a float (floating Point Numbers).floating point numbers can also be scientific numbers with a "e" within it to indicate the power of 10, for example:

Input:

x =  

Complex:

Complex numbers are written with a "j" as the imaginary part:

Example:

Complex:

x = 3+5j

y = 5j

z = -5j

print(type(x))

print(type(y))

print(type(z))

Complex Numbers: 

An complex number is represented by “ x + yi “. Python converts the real numbers x and y into complex using the function complex(x,y). The real part can be accessed using the function real() and imaginary part can be represented by imag(). for example:

Complex numbers are written with a "j" as the imaginary part:

x = 3+5j

y = 5j

z = -5j

print(type(x))

print(type(y))

print(type(z))

Type Conversion :

You can convert from one type to another with the int(), float(), and complex() methods:

Example

Convert from one type to another:

x = 1    # int

y = 2.8  # float

z = 1j   # complex

#convert from int to float:

a = float(x)

#convert from float to int:

b = int(y)

#convert from int to complex:

c = complex(x)

print(a)

print(b)

print(c)

print(type(a))

print(type(b))

print(type(c))