有会的兄弟们嘛，帮我看看啊

```python
def print_hi(name):
    a = name
    b = list(a.lower()) 
    c = {}  
    for i in b: 
        c[i] = b.count(i)
    print("a:",b.count('a'))
    print(c)


if __name__ == '__main__':
    print_hi('PyCharmcasxcaA+A+0 +=')

```