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  • 第五天Python学习记录

    while循环

    #第50次不打印,第60-80次打印对应值的平方

     1 count = 0
     2 
     3 while count <= 100:
     4     if count == 50:
     5         pass
     6     elif count >= 60 and count <=80:
     7         print(count*count)
     8     else:
     9         print("loop ",count)
    10 
    11     count += 1
    12 
    13 print("------loop is ended-------")

    Dead Loop(死循环)

    count = 0
    
    while True:#True本身就是真
    
    
        print("forever-------",count)
        
        count += 1

    break 用于完全结束一个循环,跳出循环体执行魂环后面的语句 continue 只是终止本次循环,接着执行后面的循环

    count = 0
    
    while count <= 100:
        print("loop ",count)
        if count == 5:
            break
    
        count += 1
    
    print("------out of loop-------")
    count = 0
    
    while count <= 100:
        print("loop ",count)
        if count == 5:
            continue
    
        count += 1
    
    print("------out of loop-------")

    0-100循环,跳过6到94

    count = 0
    
    while count <= 100:
        count += 1
        if count > 5 and count < 95:
             continue
    
        print("loop ",count)
    
    
    print("------out of loop-------")
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  • 原文地址:https://www.cnblogs.com/xudachen/p/8313053.html
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