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  • 代码练习

    #1、使用while循环输入 1 2 3 4 5 6 8 9 10
    #方法一:
    # count = 1
    # flag = True
    # while flag:
    # if count == 7:
    # print('')
    # count += 1
    # print(count)
    # count = count + 1 # count += 1
    # if count == 11:
    # flag = False

    #方法二:
    # count = 1
    # flag = True
    # while flag:
    # # print(count)
    # if count == 7:
    # print('')
    # else:print(count)
    # count = count + 1 # count += 1
    # if count == 11:
    # flag = False

    #方法三:
    # count = 1
    # while count < 11:
    # if count == 7:
    # print('')
    # else:print(count)
    # count = count + 1 # count += 1
    count = 1
    while count < 10:
        count += 1
        if count == 7
            continue
        else:
            print(count)
    
    
    


    #2、求1-100的所有数的和

    # count = 1
    # sum = 0
    # while count < 101:
    # # sum2 = count
    # sum = sum + count # sum += count
    # count = count + 1
    # print(sum)

    #3、输出 1-100 内的所有奇数
    #1,3,5,7,9.。。。。。
    #方法一:
    # count = 1
    # while count < 101:
    # print(count)
    # count += 2
    #方法二:
    # count = 1
    # while count < 101:
    # if count % 2 == 1:
    # print(count)
    # count += 1

    # 5、求1-2+3-4+5 ... 99的所有数的和

    n = 1
    sum = 0
    while n < 100:
    if n % 2 == 0:
    n = -n
    sum = sum + n
    if n % 2 == 0:
    n = -n
    n += 1
    print('1-2+3-4+5 ... 99的所有数的和为%d'%sum)#相当于print(sum)

    # sum = 1
    # add = 0
    # while sum < 100:
    # if sum % 2 == 1:
    # add = add + sum
    # else:
    # add = add - sum
    # sum += 1
    # print(add)







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  • 原文地址:https://www.cnblogs.com/jassin-du/p/7696356.html
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