Study travel beginning Execute your first code Hollow World >>> print("Hollow World") Hollow World Python's core Data Type We understand data type before studying any program. Python has built-in object types Data Type(Object type) Example Numbers int, float, long, complex Strings Lists Dictionaries Tuples Files Sets set, frozenset Primitive types boolean, Program unit types Functions, modules, classes Implementation-related types compiled code, stack tracebacks 1. Number Example: real number, float, double ... >>> 333 + 555 888 >>> 333 / 111 3.0 >>> 333 * 9 2997 >>> "happy " * 2 + " birthday" 'happy happy birthday' Module : math and random >>> import math >>> math....