python-一个小练习

myseq = '''[a:1,b:2,c:3]
[a:3,b:3,c:8]
[a:7,c:2:m:7,r:4]
[a:2,c:4:m:6,r:4]
[a:3,b:2,c:7,o:5]'''

def eve(i):
    evest=''
    for x in [y for y in range(len(i)) if y % 2 == 0]:
            evest+=i[x]
    return evest
myseq=myseq.split('\n')
lt=[]
for i in myseq:
    lt.append(eve(i.replace('[','').replace(']','').replace(':','').replace(',','')))
l1,l2=[],[]
for i in range(len(lt)):
    if not lt[i] in l2:
        l2.append(lt[i])
        l1.append(myseq[i])
print(l1)