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  • [Python] For 嵌套循环打印图形 nested loop-练习题答案

    前一篇:[Python] For 嵌套循环打印图形 nested loop-练习题

    【python的for循环嵌套打印如下图形】

    图形一:

    输出结果:

    *******
    *******
    *******
    *******

    Python3.6代码:

    for i in range(0,4):
        for j in range(0,7):
            print("*",end="")
        print()

    图形二:

    输出结果:

    *
    ***
    *****
    *******

    Python3.6代码:

    for i in range(1,8,2):
        for j in range(i):
            print("*",end="")
        print()

    图形三:

    输出结果:

    *
    ***
    *****
    *******
    *****
    ***
    *

    Python3.6代码:

    for i in range(1,8,2):
        for j in range(i):
            print("*",end="")
        print()
    
    for i in range(5,0,-2):   
        for j in range(i):
            print("*",end="")
        print()

      

    图形四:

    输出结果:

       *
      ***
     *****
    *******

    Python3.6代码:

    for i in range(1,8,2):
        print(int((7-i)/2)*" ",end="")
        for j in range(i):
            print("*",end="")
        print()

    或者:

    for i in range(1,8,2):
        for j in range(int((7-i)/2)):
            print(" ",end="")
        for j in range(i):
            print("*",end="")
        print()

    图形五:

    输出结果:

       *
      ***
     *****
    *******
     *****
      ***
       *

    Python3.6代码:

    for i in range(1,8,2):
        print(int((7-i)/2)*" ",end="")
        for j in range(i):
            print("*",end="")
        print()
    
    for i in range(5,0,-2):
        print(int((7-i)/2)*" ",end="")
        for j in range(i):
            print("*",end="")
        print()

     或者:

    for i in range(1,8,2):
        for j in range(int((7-i)/2)):
            print(" ",end="")
        for j in range(i):
            print("*",end="")
        print()
    
    for i in range(5,0,-2):
        for j in range(int((7-i)/2)):
            print(" ",end="")
        for j in range(i):
            print("*",end="")
        print()

    【python的for循环嵌套打印如下九九乘法表】

    输出结果:

    1 * 1 = 1  
    2 * 1 = 2  2 * 2 = 4  
    3 * 1 = 3  3 * 2 = 6  3 * 3 = 9  
    4 * 1 = 4  4 * 2 = 8  4 * 3 = 12  4 * 4 = 16  
    5 * 1 = 5  5 * 2 = 10  5 * 3 = 15  5 * 4 = 20  5 * 5 = 25  
    6 * 1 = 6  6 * 2 = 12  6 * 3 = 18  6 * 4 = 24  6 * 5 = 30  6 * 6 = 36  
    7 * 1 = 7  7 * 2 = 14  7 * 3 = 21  7 * 4 = 28  7 * 5 = 35  7 * 6 = 42  7 * 7 = 49  
    8 * 1 = 8  8 * 2 = 16  8 * 3 = 24  8 * 4 = 32  8 * 5 = 40  8 * 6 = 48  8 * 7 = 56  8 * 8 = 64  
    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  

    Python3.6代码:

    for i in range(1,10):
        for j in range(1,i+1):
            print(i,"*",j,"=",i * j,end="  ")
        print()

    图形X:

    代码: 

    for line in range(0,3):
        for star in range(line):
            print(".",end="")
        print("O",end="")
        for star in range(5-2*line):
            print(".",end="")
        print("O",end="")
        for star in range(line):
            print(".",end="")
    
        print()
        
    for line in range(1,2):
        for star in range(3):
            print(".",end="")
        print("O",end="")
        for star in range(3):
            print(".",end="")        
    
        print()
    
    for line in range(2,-1,-1):
        for star in range(line):
            print(".",end="")
        print("O",end="")
        for star in range(5-2*line):
            print(".",end="")
        print("O",end="")
        for star in range(line):
            print(".",end="")
            
        print()

    如果代码可以改进,有劳指出,非常感谢~

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  • 原文地址:https://www.cnblogs.com/learningpython-xinersubai/p/7881754.html
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