1、打印一个菱形图案
1 rows=int(input("输入列数:")) 2 i=j=k=1 3 print("打印一个菱形:\n") 4 #菱形的上半部分 5 for i in range(rows): 6 for j in range(rows-i): 7 print(" ",end=" ") 8 j+=1 9 for k in range(2*i-1): 10 print("*",end=" ") 11 k+=1 12 print("\n") 13 #菱形的下半部分 14 for i in range(rows): 15 for j in range(i): 16 print(" ",end=" ") 17 j+=1 18 for k in range(2*(rows-i)-1): 19 print("*",end=" ") 20 k+=1 21 print("\n")
2、打印一个空心菱形图案
1 rows=int(input("输入列数:")) 2 i=j=k=1 3 print("打印一个菱形:\n") 4 #菱形的上半部分 5 for i in range(rows): 6 for j in range(rows-i): 7 print(" ",end=" ") 8 j+=1 9 for k in range(2*i-1): 10 if k==0 or k==2*i-2: 11 print("*",end=" ") 12 else: 13 print(" ",end=" ") 14 k+=1 15 print("\n") 16 #菱形的下半部分 17 for i in range(rows): 18 for j in range(i): 19 print(" ",end=" ") 20 j+=1 21 for k in range(2*(rows-i)-1): 22 if k==0 or k==2*(rows-i)-2: 23 print("*",end=" ") 24 else: 25 print(" ",end=" ") 26 k+=1 27 print("\n")