2.11.2
import string, random, collections
x=string.ascii_letters+string.digits
y=''.join([random.choice(x) for i in range(1000)])
count=collections.Counter(y)
for k,v in sorted(count.items()):
print(k, ':', v)
print('3006')
import string, random, collections
x=string.ascii_letters+string.digits
y=''.join([random.choice(x) for i in range(1000)])
count=collections.Counter(y)
for k,v in sorted(count.items()):
print(k, ':', v)
print('3006')