文本字符分布。。。。。。。

with open('data.txt', 'r') as f:
    s = f.readlines()
dict1 = {}
for sj in s:
    sj = str(sj.strip())
    for i in sj:
        if dict1.get(i,0):
            dict1[i] += 1
        else:
            dict1[i] = 1
dict1 = sorted(dict1.items(), key=lambda x:x[0])
for key,value in dict1:
    print("{}:{}".format(key,value))