#1,an identifier cannot have numbers at its begining and cannot have keywords such as "is" and so on

#2,text like (str) tuple,list, range, int, float, set, range, list, dict, bool

#3, the condition type, such as setting a condition, if, else statements; constantly passing an yeah

#4, functions save us a great deal of trouble and codes using functions are more simplified.

#5, we can use import
#punctuations = '''!()-[]{};:'"\,<>./?@#$%^&*_~'''

