python题解

a = int(input())
b = []
e = {}
for i in range(a):
    c = int(input())
    b.append(c)
    if c not in e:
        e[c] = 1
    else:
        e[c] += 1
d = list(e.keys())
d.sort()
for i in range(len(e)):
    print(d[i],end=' ')
    print(e[d[i]])