#把aaabbcccd这种形式的字符串压缩成a3b2c3d1这种形式。
b = {}
c = ""
a = ‘aaabbcccd‘
for i in a:
b[i] = b.get(i,0)+1
for i,t in b.items():
c+=str(i)
c+= str(t)
print(c)
下列表达是的值为True的是
A. 5+4j >2-3j
B. 3>2>2
C. (3,2)<("a","b")
D. " abc" > ‘xyz‘
C原文：https://www.cnblogs.com/ljy123/p/12570746.html