Buggy python submission (verdict: Runtime Error):
import sys
from collections import Counter
m = Counter(sys.stdin.readlines().lower())
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", m[i])



Fixed submission:
import sys
from collections import Counter
m = Counter(sys.stdin.read().lower())
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", m[i])

Buggy python submission (verdict: Runtime Error):
import sys
from collections import Counter
m = Counter(sys.stdin.readlines().replace("\n", "").lower())
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", m[i])



Fixed submission:
import sys
from collections import Counter
m = Counter(sys.stdin.read().lower())
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", m[i])

Buggy python submission (verdict: Runtime Error):
import sys
from collections import Counter
S = ""
for s in sys.stdin():
    S += s
m = Counter(S)
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", m[i])



Fixed submission:
import sys
from collections import Counter
m = Counter(sys.stdin.read().lower())
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", m[i])

Buggy python submission (verdict: Runtime Error):
s = sys.stdin.readlines().replace("\n", "").lower()
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", s.count(i))


Fixed submission:
import sys
from collections import Counter
m = Counter(sys.stdin.read().lower())
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", m[i])

Buggy python submission (verdict: Runtime Error):
import sys
s = sys.stdin.readlines().replace("\n", "").lower()
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", s.count(i))


Fixed submission:
import sys
from collections import Counter
m = Counter(sys.stdin.read().lower())
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", m[i])

Buggy python submission (verdict: Runtime Error):
import sys
s = sys.stdin.readlines().lower()
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", s.count(i))


Fixed submission:
import sys
from collections import Counter
m = Counter(sys.stdin.read().lower())
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", m[i])

Buggy python submission (verdict: Runtime Error):
import sys
from collections import Counter
m = Counter(sys.stdin.readlines().lower())
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", m[i])


Fixed submission:
import sys
from collections import Counter
m = Counter(sys.stdin.read().lower())
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", m[i])

Buggy python submission (verdict: Runtime Error):
import sys
from collections import Counter
m = Counter(sys.stdin.readlines.lower())
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", m[i])


Fixed submission:
import sys
from collections import Counter
m = Counter(sys.stdin.read().lower())
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", m[i])

Buggy python submission (verdict: Runtime Error):
import sys
from collections import Counter
m = Counter(sys.stdin.read.lower())
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", m[i])


Fixed submission:
import sys
from collections import Counter
m = Counter(sys.stdin.read().lower())
for i in 'abcdefghijklmnopqrstuvwxyz':
    print(i, ":", m[i])