numbers.py

#!/usr/bin/env python

# Python Numbers
#
# There are three numeric types in Python:
#
# int
# float
# complex
x = 1       # int
y = 2.8     # float
z = 1j      # complex

# To verify the type of any object in Python, use the type() function:
print( type(x) )
print( type(y) )
print( type(z) )

# Int
#
# Int, or integer, is a whole number, positive or negative, without decimals, of unlimited length.
x = 1
y = 35656222554887711
z = -3255522

print( type(x) )
print( type(y) )
print( type(z) )

# Float
#
# Float, or "floating point number" is a number, positive or negative, containing one or more decimals.
x = 1.10
y = 1.0
z = -35.59

print( type(x) )
print( type(y) )
print( type(z) )

# Float can also be scientific numbers with an "e" to indicate the power of 10.
x = 35e3
y = 12E4
z = -87.7e100

print( type(x) )
print( type(y) )
print( type(z) )

# Complex
#
# 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) )