Calculate the number of occurrences of a character

describe

Write a program , Accept a letter from 、 A string of numbers and spaces , And a character , Then output the number of occurrences of the character in the input string .（ Case insensitive ）

Data range ： 1 \le n \le 1000 \1≤n≤1000

Input description ：

On the first line, enter a string of letters and numbers and spaces , Enter a character on the second line .

Output description ：

The number of characters in the output input string .（ Case insensitive ）

Example 1

Input ：ABCabc      A
Output ：2

Their thinking ： loop

content = input()
content1 = content.upper()
ch = input()
ch1 = ch.upper()
num = 0
for i in content1:
    if i == ch1:
        num += 1
print(num)

notes ：b = list(a.lower()) # Convert all input characters to lowercase letters

           b = list(a.upper()) # Convert all input characters to uppercase letters