Finding_a_string

#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.
#sliding find

def count_substring(string, sub_string):
    count = 0
    for i in range(len(string)-len(sub_string)+1):
        if (string[i:i+len(sub_string)] == sub_string):
            count += 1
    return count    
if __name__ == '__main__':
    string = input().strip()
    sub_string = input().strip()
    
    count = count_substring(string, sub_string)
    print(count)