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You are given an integer, N. Your task is to print an alphabet rangoli of size N. (Rangoli is a form of Indian folk art based on the creation of patterns.)
Different sizes of alphabet rangoli are shown below:

#size 3

----c----
--c-b-c--
c-b-a-b-c
--c-b-c--
----c----

Given an integer, n, print the following values for each integer i from 1 to n:

Function Description:

You are asked to ensure that the first and last names of people begin with a capital letter in their passports. For example, alison heck should be capitalized correctly as Alison Heck.

Function Description:

string: a long string
int max_width: the width to wrap to
Returns string: a single string with newline characters ('\n') where the breaks should be

.ljust(width):

>>> width = 20
>>> print 'HackerRank'.ljust(width,'-')
HackerRank----------

Python has built-in string validation methods for basic data. It can check if a string is composed of alphabetical characters, alphanumeric characters, digits, etc.

str.isalnum():

This method checks if all the characters of a string are alphanumeric (a-z, A-Z and 0-9).

>>> print 'ab123'.isalnum()
True
>>> print 'ab123#'.isalnum()
False

In this challenge, the user enters a string and a substring. You have to print the number of times that the substring occurs in the given string. String traversal will take place from left to right, not from right to left.
NOTE: String letters are case-sensitive.

Input Format:

The first line of input contains the original string. The next line contains the substring.

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