s = "Python programming"
for i in range(len(s)):
print("index: %d char: %c" %(i, s[i]))
'''
run:
index: 0 char: P
index: 1 char: y
index: 2 char: t
index: 3 char: h
index: 4 char: o
index: 5 char: n
index: 6 char:
index: 7 char: p
index: 8 char: r
index: 9 char: o
index: 10 char: g
index: 11 char: r
index: 12 char: a
index: 13 char: m
index: 14 char: m
index: 15 char: i
index: 16 char: n
index: 17 char: g
'''