改题目不说明白真无语，不用去重

a=input().split()
b=input().split()
n=len(a)
m=len(b)
c=[-1]*(n+m)
p=0
for i in range(0,n):
    '''
    if int(a[i]) not in c:
        c[p]=int(a[i])
        p+=1
        '''
    c[i]=int(a[i])
tot=n;j=0;i=0
while i<m:
    '''
    if int(b[i]) in c:
        i+=1
        continue
        '''
    j=0
    while j<tot:
        if c[j]>int(b[i]):
            break
        j=j+1
    for k in range(tot,j,-1):
        c[k]=c[k-1]
    c[j]=int(b[i])
    tot=tot+1 
    i=i+1 
for i in range(0,tot):
    if c[i]==-1:
        break
    print(c[i],end=' ')

桶排

a=input().split()
b=input().split()
c=max(a[-1],b[-1])
d=[0]*(int(c)+1)
for i in range(len(a)):
    i=a[i]
    d[int(i)]+=1
for i in range(len(b)):
    i=b[i]
    d[int(i)]+=1
for i in range(len(d)):
    while d[i]!=0:
        print(i,end=" ")
        d[i]-=1