## Create a directory each day, and can create files in the directory.
1. variable
2. comments
1) #
2) ''''''" """"
3. input
4. string formatting expressions
1) '....%s...'%(values)
2) '...{}...' .format(values)
3) int( ) convert to integer
4) str( ) convert to string
5. conditionals and logical operators
1) if....else
2) if .... elif...else
3) while loop
4) for loop
5) break and continue