Can we make A bot say the ABC?
It should go like this:
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Characters have their character codes.
The type to store a character is "char" in C/C++ (and many other languages). To get the next character, you can just increment it.
E.g.:
for (char ch = 'A'; ch <= 'Z'; ch++) { printf("%c\n", ch); }