标签：bsp   end   倒三角   style   三角形   color   continue   else   乘法表   

                                             for 循环 与 while 循环

• 打印三角形

   1 # 打印三角形
   2 # * 
   3 # * * 
   4 # * * *
   5 # * * * *
   6 # * * * * *  
   7 
   8 # 使用 for 循环
   9 for i in range(5):
  10     print("* " * (i + 1))
  11 
  12 # 使用 while 语句
  13 i = 1
  14 while i < 6:
  15     j = 0
  16     while j < i:
  17         print("*", end=‘ ‘)
  18         j += 1
  19     print(" ")
  20     i += 1

   

• 打印空心三角形

   1 # 打印空心三角形
   2 # *
   3 # * *
   4 # *   *
   5 # *     *
   6 # * * * * *
   7 #for 循环
   8 for i in range(0, 5):
   9      for j in range(i+1):
  10          if i == 4:
  11              print("* ",end=‘‘)
  12              continue
  13          if j == 0 or j == i:
  14              print("* ",end=‘‘)
  15          else:
  16              print("  ",end=‘‘)
  17      print( )
  18 
  19 #while 循环
  20 i = 1
  21 while i < 6:
  22     j = 0
  23     while j < i:
  24         j += 1
  25         if i == 5:
  26             print("* ", end=‘‘)
  27             continue
  28         if j == 1 or j == i:
  29             print("* ", end=‘‘)
  30         else:
  31             print("  ", end=‘‘)
  32     print( )
  33     i += 1

   

• 打印金字塔

   1 # 打印金字塔
   2 #     *
   3 #    * *
   4 #   * * *
   5 #  * * * *
   6 # * * * * *
   7 #for 循环
   8 for i in range(5):
   9      for k in range(4-i):
  10          print("",end=" ")
  11      for j in range(i+1):
  12          print("*",end=" ")
  13      print("")
  14 
  15 #while 循环
  16 i = 0
  17 while i<5:
  18     k = 0
  19     while k < 5-i:
  20         print("",end=" ")
  21         k += 1
  22     j = 0
  23     while j < i+1:
  24         print("*",end=" ")
  25         j += 1
  26     i += 1
  27     print("")

   

• 打印倒三角

   1 # 打印倒三角
   2 # * * * * *
   3 #  * * * *
   4 #   * * *
   5 #    * *
   6 #     *
   7 #for 循环
   8 for i in range(5):
   9       for k in range(i):
  10           print("",end=" ")
  11       for j in range(5-i):
  12           print("*",end=" ")
  13       print("")
  14 
  15 #while 循环
  16 i = 0
  17 while i<5:
  18      k = 0
  19      while k < i:
  20          print("",end=" ")
  21          k += 1
  22      j = 0
  23      while j < 5-i:
  24          print("*",end=" ")
  25          j += 1
  26      i += 1
  27      print("")

   

• 打印菱形

   1 # 打印菱形
   2 #     *
   3 #    * *
   4 #   * * *
   5 #  * * * *
   6 # * * * * *
   7 #  * * * *
   8 #   * * *
   9 #    * *
  10 #     *
  11 
  12 #for 循环
  13 for i in range(5):
  14       for k in range(4-i):
  15           print("",end=" ")
  16       for j in range(i+1):
  17           print("*",end=" ")
  18       print("")
  19 for i in range(4):
  20       for k in range(i+1):
  21           print("",end=" ")
  22       for j in range(4-i):
  23           print("*",end=" ")
  24       print("")
  25 
  26 #while 循环
  27 i = 0
  28 while i<5:
  29      k = 0
  30      while k < 5-i:
  31          print("",end=" ")
  32          k += 1
  33      j = 0
  34      while j < i+1:
  35          print("*",end=" ")
  36          j += 1
  37      i += 1
  38      print("")
  39 i = 0
  40 while i<4:
  41      k = 0
  42      while k < i+2:
  43          print("",end=" ")
  44          k += 1
  45      j = 0
  46      while j < 4-i:
  47          print("*",end=" ")
  48          j += 1
  49      i += 1
  50      print("")

   

• 打印空心菱形

   1 # 打印空心菱形
   2 #     * 
   3 #    * * 
   4 #   *   * 
   5 #  *     * 
   6 # *       * 
   7 #  *     * 
   8 #   *   * 
   9 #    * * 
  10 #     * 
  11 
  12 #for 循环
  13 for i in range(5):
  14       for k in range(4-i):
  15           print("",end=" ")
  16       for j in range(i+1):
  17           if i == 5:
  18              print("*",end=" ")
  19              continue
  20           if j == 0 or j == i:
  21               print("*",end=" ")
  22           else:
  23               print(" ",end=" ")
  24       print("")
  25 for i in range(4):
  26       for k in range(i+1):
  27           print("",end=" ")
  28       for j in range(4-i):
  29           if i == 3:
  30              print("*",end=" ")
  31              continue
  32           if j == 0 or j == 3-i:
  33               print("*",end=" ")
  34           else:
  35               print(" ",end=" ")
  36       print("")

   

• 打印九九乘法表

   1 # 打印九九乘法表
   2 # 1 * 1 = 1 
   3 # 
   4 # 2 * 1 = 2 2 * 2 = 4 
   5 # 
   6 # 3 * 1 = 3 3 * 2 = 6 3 * 3 = 9 
   7 # 
   8 # 4 * 1 = 4 4 * 2 = 8 4 * 3 = 12 4 * 4 = 16 
   9 # 
  10 # 5 * 1 = 5 5 * 2 = 10 5 * 3 = 15 5 * 4 = 20 5 * 5 = 25 
  11 # 
  12 # 6 * 1 = 6 6 * 2 = 12 6 * 3 = 18 6 * 4 = 24 6 * 5 = 30 6 * 6 = 36 
  13 # 
  14 # 7 * 1 = 7 7 * 2 = 14 7 * 3 = 21 7 * 4 = 28 7 * 5 = 35 7 * 6 = 42 7 * 7 = 49 
  15 # 
  16 # 8 * 1 = 8 8 * 2 = 16 8 * 3 = 24 8 * 4 = 32 8 * 5 = 40 8 * 6 = 48 8 * 7 = 56 8 * 8 = 64 
  17 # 
  18 # 9 * 1 = 9 9 * 2 = 18 9 * 3 = 27 9 * 4 = 36 9 * 5 = 45 9 * 6 = 54 9 * 7 = 63 9 * 8 = 72 9 * 9 = 81
  19 
  20 # for 循环
  21 for i in range(1, 10):
  22     for j in range(1, i + 1):
  23         print("%d * %d = %d " % (i, j, i * j), end=‘ ‘)
  24     print("\n")
  25 
  26 # while 循环
  27 i = 1
  28 while i < 10:
  29     j = 1
  30     while j <= i:
  31         print("%d * %d = %d" % (i, j, i * j), end=‘ ‘)
  32         j += 1
  33     print("\n")
  34     i += 1

   

• 求水仙花数

  #for 循环
  for i in range(100,1000):
       x = i // 100
       y = i // 100 % 10
       z = i % 10
       if  x*x*x + y*y*y + z*z*z == i:
           print(i)

   

for 循环 与 while 循环

标签：bsp   end   倒三角   style   三角形   color   continue   else   乘法表   

原文地址：https://www.cnblogs.com/wqq0723/p/9651580.html