Python integer (int), is a whole number, positive or negative, without decimals, of unlimited length. The integers are zero, positive or negative whole numbers without a fractional part and having unlimited precision, e.g. 0, 100, -10.
Python integers
A simple example code uses the type()
method to get the class name.
x = 1
y = 35636363
z = -10001000
print(type(x))
print(type(y))
print(type(z))
Output:

Do comment if you have any doubts or suggestions on this Python basic topic.
Note: IDE: PyCharm 2021.3.3 (Community Edition)
Windows 10
Python 3.10.1
All Python Examples are in Python 3, so Maybe its different from python 2 or upgraded versions.