vinhquang4.6

# Bài 4.6
# -------

# s = '12 drummers drumming, 11 pipers 23piping, 10 lords a-leaping'

# Print out list of all numbers in this string.

# Output::

#   [12, 11, 23, 10]


s = '12 drummers drumming, 11 pipers 23piping, 10 lords a-leaping'
lst_s = s.split(" ")
numbers = []
lst_numbers = []
for chars in lst_s:
    number = ''
    for char in chars:
        if char.isdigit():
            number = number + char
    numbers.append(number)
for char in numbers:
    if char == '':
        continue
    if char.isdigit():
        lst_numbers.append(char)
print(lst_numbers)