complete-the-pattern-number-4

Complete The Pattern #4

##Task:

You have to write a function pattern which creates the following pattern upto n number of rows. If the Argument is 0 or a Negative Integer then it should return "" i.e. empty string.

##Examples:

pattern(4):

1234
234
34
4

pattern(6):

123456
23456
3456
456
56
6

Note: There are no blank spaces

Hint: Use \n in string to jump to next line