s = "python java php cpp"
frequencies = {}
for ch in s:
frequencies[ch] = frequencies.get(ch, 0) + 1
for item in frequencies.items():
print(item)
'''
run:
('p', 5)
('y', 1)
('t', 1)
('h', 2)
('o', 1)
('n', 1)
(' ', 3)
('j', 1)
('a', 2)
('v', 1)
('c', 1)
'''