PTA Python程序设计测试(20190604--20190604)

 

def printYanghui(n):
    numbers = []
    for line in range(n + 1):
        numbers += [[]]
        for i in range(n + 1):
            numbers[line] += [0] 
    numbers[1][1] = 1  
    for line in range(2, n + 1):
        for i in range(1, n + 1):
            numbers[line][i] = numbers[line - 1][i] + numbers[line - 1][i - 1]
    for line in range(1, n + 1): 
        for space in range(n - line):
            print(" ", end='')
        for i in range(1, line + 1):
            print(numbers[line][i], end=" ")
        print()

list=eval(input())
y=[]
for i in range(0,len(list)):
  if list[i] not in y:
    y.append(list[i])
for j in range(0,len(y)-1):
  print('%d'%y[j],end=' ')
print(y[-1])