def count_char(s):
for i in range(len(s)):
if len(s) == 0:
break;
ch = s[0]
if ch == ' ' or ch == '\t':
continue
print(ch + " - ", s.count(ch))
s = s.replace(ch, '').strip()
count_char('Python is an interpreted high-level general-purpose programming language')
'''
run:
P - 1
y - 1
t - 3
h - 3
o - 3
n - 6
i - 4
s - 2
a - 5
e - 9
r - 6
p - 4
d - 1
g - 6
- - 2
l - 4
v - 1
u - 2
m - 2
'''