Python Programming Questions

1. Count the occurrence of the letter in the given string?

name = "ThulasiDhasan"
map = {}
for ch in name:
  map[ch] = map.get(ch, 0) + 1
print(map)

2. Flatten list of the list in Python

lst = [[2, 3, 5], [6, 7, 8], [9, 0, 1]]
t_lst = [ele for sublist in lst for ele in sublist]
print(t_lst)