my_list = list('asnbd15nba5sdabd')
my_list_int = []
for val in my_list:
try:
if type(int(val)) is int:
my_list_int.append(val)
except:
pass
print(my_list_int)
exit()

my_list = list('asnbd15nba5sdabd')
my_list_int = []
for val in my_list:
try:
if type(int(val)) is int:
my_list_int.append(val)
except:
pass
print(my_list_int)
exit()