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@caoya171193579
Last active December 19, 2018 03:03
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入门
1、for循环:
循环是一个结构,导致一个程序要重复一定次数,条件循环也是如此,当条件变为假False,循环结束。
在python for循环遍历序列,如一个列表或一个字符。
for循环语法:
迭代变量:iterating_var(a特ruzi停 窝儿) : 可以取任何数字或者英文,任何值做为迭代变量。
for (迭代变量,可以巡检定义任何) in (序列:可以是一个值、变量、元祖、列表、字典等)
for dandan in (1,2,3,'as',4,5): (谨记:结尾 定义)
![image.png](data:image/png;base64,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)
root@kali:~/xuexi# python 4.py
1 nihao
2 nihao
3 nihao
as nihao
4 nihao
5 nihao
(序列是一个列表,里面有七个元素,这个代码就是 dandan的迭代变量定义为这七个元素,然后每个元素循环打印出'nihao'. )
参数:range(初始值、终止值、步进值)
要打印很多次为整数循环的时候用range() 来定义会特别省事
记住是对象为整数的时候。
>>> range(1,20,2) (会形成一个序列,初始值为1,终止值为20,两步一取)
[1, 3, 5, 7, 9, 11, 13, 15, 17, 19]
>>> range(100)(取100个整数 0到99)
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99]
>>> range(1,10) (取1到10之间)
[1, 2, 3, 4, 5, 6, 7, 8, 9]
![image.png](data:image/png;base64,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)
这个代码表示循环打印除dandan的迭代变量,变量为1开始到100之间,五步一取,每取一个值打印出你好。
初始值不定义的话默认从0开始,
只有一个值的情况下它就是终止值;
步进值、补偿值默认是一步一取。
还有一个xrange的参数下面会讲。
>>> range(20)
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19]
>>> xrange(20)
xrange(20)
(形成的序列里面的值是一样的,xrange 会更节省存储空间)
小例子:
![image.png](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAUYAAACSCAYAAAA5D2N9AAAaF0lEQVR4Ae2df4wUZZrHv1O0A8KhYQN74jgwOhgPXOey6csux5wHzgbYiwuRSZbbYJuL3OIF2cMxncgm6KYv0URMiDiemshGozPyBzEywd2LQORkL+1xm/RtMuuye9GRYcZe98RIVg8WBmbq8nRVTb9VXVVdVd010z++Zcau932fH+/7qe6H90fVWy3fS/1I/1n7NmBRG3iQwKwQuJBH/kfLMTw8jHvuuWdWqkCnJKAS0HQ1xXMSIAESIAFoOiMjvwYkQAIkYCOgAYyMNiJMkAAJND2BhM4uY9N/CWoBQNu/ngNwI/CL/66F6rAOTU4goU9NceGlyb8Es958LvzN+iVgBewEElOTk8Bjy+25TJEACZBAExPQJievNnHz2XQSIAESKCWgXZuYKM1lDgmQAAk0MQHt6sTlJm4+m04CJEACpQQYGEuZMIcESKDJCWhXr7DH2OTfATafBEjAQUC7OnHFkdVAyY5n0Pb4M2j1bdJqLHr8Ipas8RWavcJAbZi96tEzCTQiAW3yaiWLL9ux5MARLPQjIz/scjJ++mHLQvs7jQtPLsD598M6MuVD+/P207plGG1bVnsLsIQESGBGCGiTk9f8HSk9loUPDWNRh7+4s3Thhl3AqX34ylkQU7rR/cWEjWZJgAQUAompqUkl6XJ68+3Ab/ZhAttx46oRXH7ZRcYzazvmrTqOL/tOGxISZFPA+ScfQ6GfuuYIlvd8iE/NtPSYblrbWZBtwQi+PNCFC6OWcRnyvgz8ZgQL124wZD5/YVrXkHL4M1UXPHQRN60CWhzyqr8/HVZ6jWY9L322CwtFr6QuVp0c/px6Nn/Su+7DNbVNVvtP3o6bthptAt7FsrXi8zi+6Nsy/Q/KdBucdRGffbswB472Oevi1LOawE8SIIESAprns9JrjmDZgYtYtnUD5qx9F8sOPI/rsQFfOxC819i6pQ+tQXuLHc9gydoRXOhbgLG+BTjX9xCwwTk/2Ikb7vwQf7BkrABrNsvV3+JdSHxg2Pzis11YogxVJ450YazvO/jq8xIugKL36Snghg3bS4TC+XsFl890Yv43i0Plhd/YgEsnH8PE+1sKbf7DqRFMnvqO2f5iUPSuy2osSu3CxGH39nnrlTSFGSRAAgoBDV6bSBR+rBI0jheClfWjPden9uIUSyWn23HjWuDSr8zeYkm5W0YnEtND9dO48LLZs1REC4FESRdPvfwdx2Vz/vCrD44jsWRVUcX3rKg38b8jwNf/wrGIE95fwf+dvaYdo7dp1c23KvCoS0cv5i8ulpW2r1jm3gZ/rywlgWYloPk2XH54+BBXsBoL7gwZ5NZswvwzB5ShsK8nYPQx5A+8g/l9Fws91eWuPdMRXPu9hx0vf59L/ZWjJMApZeqpU08tk/Mo/t5/G5cWfxcLOgDpbc4/8/b0UNlp3pb2q4uzTG2fs8xmlAkSIAEvAhpaWlzLlsgwWuauFu/CTQfexcLFnVjYd9GxavoKzivzYEVDq7GopxNfHn+lmBXkTIKjNUw+PIIbUs6htJcRH3+Lb8dcVe2z3xnzm2pe6POo/l7BH08B87+5HQvu7MSlD0LycatnLO1zc8Q8EmgeApo2R6btS4/zfQtw4QwgixJjh4+j5cw/F+a+8kfUobHH7Tpr9uAGvIOL0wsnpv3R32HC7DFJjsyxTR8yx6jM/7X+eScQNIh5+SsY34B55j2K4u/a+TPTLiOfVOBv4lfvAGufxw3KEFitR/ChPoDRt3Dp8xjap1aI5yTQhAS0ROI6j2YX58AkSIXp3UwvKpRYNnpM0vOUhZ15OF6UGH0Mf8TLxoLPgYtYunYEX7wcrEfl7Q/A5y/g2jcMf1/7+gs4Px3YJahLvvSGgeu3GjJBbvSO5s9saiGYAXAZRk8cOYBLq543pxLK3B9aMHcaFwZfQKtZd3v7imh5RgIkEJLAXX/1N/Jug+r9dTyjtz3+jN5aTZt+tmrJX6C6rNYXPX5RX7Kmisz9+LCset9tsmwalonWefNChtIy4jJP+GQZmWoW15s/cyX5y6hP2lSTHW2RAAm4EkjMnXe9awEzq09g4UMXsWiVMW87U08CVb8VtEgCjU+g5Z7vbdX//WeHG7+lbCEJkAAJBCSgtc6t8lA6oGOKkQAJkECtEtCuu85rVTpIlZPIZPMYSAWRVWWi6qk2eE4CJEAC8RBIzPG8XSeIwxwy3W1BBB0y0fR2Aug1Lf0SwF6HVSZJgARIoBoEtDma/1OB1XBSDRv3ApDtF9abf2JTAiUPEiABEqg2Aa3FLzAmM8jm88jn8xgYGEA+m0HSrEEyky3kF8qcQ+moej6tk4dX1CWiN8xA6aPCIhIgARKIRECD+6PSAJLI9O/Ax3va0NbWhmPosTnIZbrR1rYZB52P/UXWs5kvSdwC4KySKw/23aykeUoCJEAC1SLgPY5ObsL6jpM4Nmi4Gjx2MpjPiHpqD1R6odN/5sqOFQRfA/BUsJpQigRIgAQiEUgUHkzzUh0dwW+9yvzyI+gVeqAZb6PWbmP/4C3CEhIgARKoCgHNa5/agvWOTqyM4iaCXrke4ycAblXqItvNWsFSyeYpCZAACVRMQNP1KXcjubdxYrQHG82FldRG+xyjuxKAiHrGnKUxnylzmtN/DxhjeXm0eKvi9H4A6gZoShFPSYAESKAiAtrUlGyY4XbkkNl9ELftM+b7NkKdY0xhoDAPeBQ7OoAeU8aYDoyq51aHYt7PzUB4AoD8yfGS+ckPEiABEqgqgU33/1OwrYRSA3o+m9GTYbdeiqoX1g/lg11HciInfgfKfge0qUmR4UECJEACJGAR0Ka85hgtCX6SAAmQQJMRaPnu1h/q7xz+aZM1m80lARIgAW8CGrwfffHWYgkJkAAJNDABTdM8nwmcbvZd24HTR4y/R++Yzo73JGV/NrsqzuKw6VGxR18EnlVegughVr/ZhefhB+B8TL52GsSt7WrnWtRfTRJer09Vm7J9E7BvC3BEzeS5L4FnH/YtrvvCVN8O4OBmmE+MFtojN90/Z7ZMbr4P+pRSOT2v7eb89YzbxrL9GSQHM8jVPXE2YCYJaAmP90pPV+IOoH06wRMSEAIpbOw5iZcy9nAjG3vItnCPhITkp+e33ZyfXqEK8rAB1mOTtSVUyHpRvHkJaH49RhkOnn4akJ1t9jiH0ncAb5p5p18E7nIwFN1HlSG4yJQ91O3KNtqlUwPKxhLK9mcQnWwGmenyLDLqDyEOm/aq2VLqtINtKC28hMkTUaYluoChISDdD+Ryxt9Q2vDbb6Yl38qTkq60kZ4uHwK6lKpKuWWrv9+uK4JDit20qihxcSN6IjwPr3gPfFrZdnM5fPRxB9YzMgbmTUGTwPf/8VH/mx3vgP7mEehbHDeFPvoi9Gc3GO9G3vIE9De329+TLOWnX4R+l0PP+x3WST2TzesDKcNOaiDveUN5MpPV8wMpo97JjJ7NF/VsZYjDpr2dXu1R+RRkTI4Ws7u2Qz/9RDBbQJeOoZyOobT/tUoP6ejvNWS60jpyOR29pg+1zLJnlfU7bEs63WX6Mn1bsoBuZ1zahlWA/lrg617Ud9MTO5Kvcj7hSLvpWfKedXV8byx5ftpZNysPTfPbqNbrn487gO6lwC+OGwJH/gu4xeUNB/85BPzay4YzP8R2ZbmPPgZuWzG9aS5Q3B7NVhaHTWe9Q6YtZr+WXTGWlva0fc29vt+3GGfHgGXqVhtZ4C1TRS3rWg+0K2XvZYt2pSfZnQX2D5t5w8B/jAO32nuNoyOR9l0q+gl45rXdnMwvBjkK34cggpQhAYVAoqWl/Kq0Il88/RT4qJia/pGrgXDsnCoQ4NxneCa77xyVB7OtY3TEOgN89PzKItsseg535mQWSnvcAdxUTg8B25RZ4HEFunru9OVXhm5jmK3qZFcAsIIl0NEp+y7Z5xhV8WqdWzsoORdyZH4xyJFccZu7WC6D7jaffe7ctZjbJAS8N6otB2ApID+V6ePTEL3DaSXHidd2ZckM+nd8jD3Wrjt71A0tHDacyThsOn3MVlp6d9vGgGTS+HtK6fmVq1P7cm+J8UNFm5bt3VbXE7D1yr2tVKWk0u3mVnZ2YKZ6t1VpMI3UBIFogfF/gOynwN+a9+lt+TbwSb7C9oTYriyOLdAC26ywmbGqr+sOZn74BDDeXXzloqo3vB8Y2waoCy69/UVZ8TB4DCe9/sHxq4G5EBbmdbuVbTeXxIrbRnHibZeebYS6+DWNZY1FIFpgBPDsc0D7TmOFdc9S4F9eqRSMz3ZluQxeOtmDfeYrD+xboPn5jcOmnz/gWXOl/u+XAn9t8rGtTvurhyuVIJY1h72ywoygPcZh4CeHgL3myrNTb/eDwN2vFlet171XnKss1HAQx072YKdt+d+oumwJJ/cyytygnNteQ7GyEx3KfLDaWC+9ctvNeekVbMscM07ALS6qvnlOAiUEfvBQmZVOxwpgs65SNXS7e/uLq9lBr3dhVXdATwWVB3S50yCbSdpWmOPjar8jIT4/XMVtSLY/2MHA2JAXtlzASvfr6DJ/1Lbbc/hDb8rvQ7nvS5OVJ0q6kMxoDgL7f2rcxC0L2rLYsru44twcANhKEvAmkDD+IfAWYEmjEhgG7lMfEWrUdrJdJBCeQOTFl/CuqEECJEAC9UGgzvZjjLqVVFS9ABcxjq3M4rAZoCkUIQESMAgk6muf2hwy3S7PHpa9mlH1yhqmAAmQQAMS0FrqKzI24CVgk0iABGqNgIaoz0rH0RJ1i7AB+w7e8lxz3rzBu+TJiah6hTbIMNuxVVm5tqn+6nR7tHJNZDkJNDMBrXbiYhKZ/h34eE8b2tracAw9tuuSy3SjrW0zDo7asgFE1XPaCZr29zf4gFF/acPmE+txVI3iHTvQecwo33wQ2NFnvRggDptB20M5EiABJwEt8u46TkuVpkNsEWZzFVXPZsSeUHunVi+18ClBLoS/0s0W6md7NDsRpkiguQgkauotgX7bh/ldlwh6JVuOHc1jh/gYPYjN3d3w3JEqmfHd5qzEbj1uj+bHmmUk0AQEaus+xig7tshFiqBnDM1lWCvD81Ec3GwOgbszgDKfWdJj9PPH7dGa4CfDJjYDgdq5jzHEtmO2CxNVz2bEnigGzeJ8ocwZtj0wCITwF3grszhs2pvEFAmQQAgCNbT44rNFGFIYKKxIH4Vs4t2zz3gxlrGuEVUvBCWbqI+/OtoezdYkJkiABOwEUg//eIa2gQq5a0tqwPNlWL67n0TVa7LdQ3wZkkVt/iZ4XWbsutTWHKM9ZjNFAiRAArNCgIFxVrDTKQmQQC0TqN39GAcfQNtgBHRR9SK4ogoJkEBjEmCPsTGvK1tFAiRQAYEGCoxdxo7UvRXQoCoJND2BqFv0RdWrTeAtsio9+OLTtVm7maiVvLAePwH2V3dr/51m3V9ytEHyrdj9SwB7HeVuyVXmm/ekTF5A73z5vJuOlSdv6fuWmYjiT1QPAJC39QU5ovgTu6+ZbxaU87BtDFKvRpXx+p41antnql0N1GOcKWTR/dwLYDWA9eafWLK+2H5Wz5jyj/gJuZSJP3kvs+XvFgCSV+7Yo+iIzz4AEpzLHVH9STDdp/g87XztajnHLCeBKhPQ5Magmji60sBQGug333Us57ZDhspDQLq/+L5jS0Z6ffJeZfmzumOi67SZGwK6TKPyEnmR39YObLPeodxv81jtxBoAhxWjb5iBUskqBMogwVLV8TqXXl65np74cvpTe6QSlKWneauXEyU/qj/pNYsf6zgFQII4jxgIqFvmzdjWfjG0I2aTtdVjbN8GvJcEkklgbBuQtqKYRaEduPucUS4y9+03CvbfByQfBMYtOeVTtXkIwA/NyPnWbsPOoXHg0IOmzd2KYmWnMoR2DqPlx35WMSvBQF5MPxOHDFU/CRAo3eoiQ3G13m4yzrxK/N1v1tVpk+lSAm7fs1IpK8d/e7va2drPqu/sfdZWYEQWeMuE8V4WWL6ilMzrZjAsLfHIUWyeHQOWBen7eJiqMNsKghI0ZPhoHUGGqZas+il6Jzz+VDnxJcPTIPOZqp6ci670GCWIx+lPeq1WW2T4H6Wuzroz7SAQYss8m2ZUPZuR+krU1n2M4+fs9EqC2DjwkV2kbMpps6xCfAKyqCCHOlQ1swpBwTqXT2tGQOb41GGmKiP5Mn9Y7pCeqgzbrUMC3HNWwvx08yfBSnSt+sbpT+35SDDeqvh1VJXJSghE2KKv4C6qXiV1nUXd2gqM7cvtKMbCDuDs6rWWkqGs9FetQCcBSoKlGnCs+T7nMNytLW4BzpJTA6YV2KyyIP6kHrJQpOrG6c+qm3xKb1F6jzxiIGBu0ZcLazqqXlg/NSJfY0Pp7mJXaV03cC5s9zAiVbche0RTfmoyRJSekHXIXJoMcaMeVoCzVp3VT9WmDN0lqAU93IKi6MblT+qnHuLf6l1b+c7pBytfPpu5TOVgOzcXWdQ3a4TZMs9mK8S2eDa9Ok7UVmAcPwSsM1eXlx0KeG9hr7ki/SrQLt0Nl9Vpvwu0/3Wge69pI95VaVm1lUBozaVJtYL0DEVOdGT4K/OUcq7OUfo1L0qZDKstP1Zdg9zmE8WX6MitOpYf+RT/ak81qt2m1lvZiQ4UX6VhsPDZMq+mtvargSt3f61sO9aV1jGUnrFthbjtVsht4LjlVV19N1MDeT2bSfrXOeoWfVH16ug7VFtzjDXwDwWrQAKNQEDeVhllD5ZGaHs12lBbQ+lqtIg2SIAESKBCAi0ylH6jmZ+VrhAg1UmABBqPAHuMjXdN2SISIIEKCTAwVgiQ6iRAAo1HgIGx8a4pW0QCJFAhAQbGCgFSnQRIoPEIMDA23jVli0iABCokwMBYIUCqkwAJNB4BBsbGu6ZsEQmQQIUEGBgrBEh1EiCBxiPAwNh415QtIgESqJAAA2OFAKlOAiTQeAQYGBvvmrJFJEACFRJgYKwQINVJgAQaj4AGvWZeoNp4dNkiEiCBuiSgTelTdVlxVpoESIAE4iKgTU1OxmWbdkmABEigLglo165drcuKs9IkQAIkEBcB7eqVK3HZpl0SIAESqEsC2uXLl+qy4qw0CZAACcRFQLt88WJctmmXBEiABOqSgHbp0v/VZcVZaRIgARKIi4B2mYExLra0SwIkUKcEtCt/4hxjnV47VpsESCAmAtrEBFelY2JLsyRAAnVKQLt2lfcx1um1Y7VJgARiIqBNTfHJl5jY0iwJkECdEtD0KT4rXafXjtUmARKIiYDGvXViIkuzJEACdUtAa2lpqdvKs+IkQAIkEAcBTWvhXrVxgKVNEiCB+iWgzUkk6rf2rDkJkAAJxEAgkbiuNQazNFm3BPwmnTnrUreXlRUPR0BrnTsvnEZg6S5gKAf0BlaIUTCJTDaPgVRYF1H1/P2sAvCah8hOAE95lDGbBEhghgj85bfvlj5C7fylh3Sku2qnPhHYPAXo9wL6TkCX85riW64+Ooz/RE7+WwMd/6bkldNneX1db14v1+ulXT//z2YoBNMNCZAACdQHAe36BR6BsSsNDKWB/hyQyxnntjbJUHkISPcb5apMeqiYpw6lnTZzQ0CXabTXtLOtHdj2qqnfb/PomUhmkM3nkc/nMTAwgHw2g6QpnMxkC/mFMudQOqqeZ0XKF5wAIH/OobQMr60yt6G0DLGtcqeupKVM9ORTbMkh+da5pNUyq9yyqcoVlPk/EmhmAn/3/Qddu5LoSuvI5XT0mkPB/pxjiNulYyinYyjtrg+z3NKXLrvTpgyb+3vt+qGH0kk9k83rAymjnqmBvJ7PZvSkbYhglzGGtva84HqVD41XAfprtvoVbboNv2VYrsqrMuq5yJ0AdLEvbRQd61zSaplTb9q+NZR2+/Soc11NFbAN9t8bebjy0ObO81t8yQJvmf9svJcFlq8o/Tfk9f2leb45is2zY8CyW32lyxYmN2F9x0kcGzQkB4+dLKtSEIiqF8x6VaW2AjisWDwF4BYzvRrA++b5zxWZcqdOvZvLKbCcBJqIQOK61rnezR0/Zy8rCWLjwEd2kbIpp82yCgEERkfw2wBiJSJR9UoMxZ/RB0D+3I6zbpkB8px6Mpw+E0CPIiTQ6AQSc+b43ODdvtze/jHnT8lePGupjk6sBJALW4GoemH9VEH+EZ+gJX3uKAHNqRfFRhWaRhMkUHMENG3OHJ9KdRfvQ1zXDZwL2z30Me1X5DZk95LPvY0Toz3YaC6spDb2eEna86PqWVbMhZvw90ZaBoJ/yjB6j0PcWqA5DWCNWXavQ+YTAGs9ypx6v3foMkkCzUxAa4HP4wzjh4B15qr0skPA/uEArHrNFeVXgXYAe019dXXaz8r+14HuvSFWpXPI7D6I2/YZq9Iboc4xpjBQWK0+ih0dQI8pYwSzqHpm5Vd2ogPFuU2/JgUps1aUBdO3lFVm0ZW5Qwlk1gqyfO41jb5kzjdKnhUgLX9vwPh3za1M1ZMh+j5LiZ8kQALA/Q//2HVVprCC7LniXFxFrbkVydSAy6p0gPqG1JNV7Gwm6c6uzEqf36p0pTxl5bkiG26r0VZepbapX9m1Ib8Z4+czwch/NvwIDD7QBnMh3E/MtazCdXibTVkwkeGy9ABlKM0hsQ0PEyQQiQADYyRs0ZRkuCzDZDlkMaUahyyYSGCU4bIc1bJrmuMHCTQlgRYZSr/x4tNN2Xg2mgRIgATcCHCXWjcqzCMBEmhqAgyMTX352XgSIAE3AlphDdOthHkkQAIk0KQE2GNs0gvPZpMACXgT0OQWNR4kQAIkQAJFAhp0BsYiDp6RAAmQAKDpDIz8HpAACZCAjQADow0HEyRAAiRQ6DFOkQMJkAAJkIBCQONIWqHBUxIgARIAwMUXfg1IgARIwEGAt+s4gDBJAiRAArzBm98BEiABEnAQYGB0AGGSBEiABBgY+R0gARIgAQeB/weKlnLgnUPRTQAAAABJRU5ErkJggg==)
代码意思:先定义qiqi等于0,然后qiqi等与从0加1一直加到100的结果,然后打印出来。
过程:
root@kali:~/xuexi# python 4.py
0+1=?+2=?+3.......... 1
0+1=?+2=?+3.......... 3
0+1=?+2=?+3.......... 6
0+1=?+2=?+3.......... 10
0+1=?+2=?+3.......... 15
0+1=?+2=?+3.......... 21
0+1=?+2=?+3.......... 28
0+1=?+2=?+3.......... 36
0+1=?+2=?+3.......... 45
0+1=?+2=?+3.......... 55
0+1=?+2=?+3.......... 66
0+1=?+2=?+3.......... 78
0+1=?+2=?+3.......... 91
0+1=?+2=?+3.......... 105
0+1=?+2=?+3.......... 120
0+1=?+2=?+3.......... 136
0+1=?+2=?+3.......... 153
0+1=?+2=?+3.......... 171
0+1=?+2=?+3.......... 190
0+1=?+2=?+3.......... 210
0+1=?+2=?+3.......... 231
0+1=?+2=?+3.......... 253
0+1=?+2=?+3.......... 276
0+1=?+2=?+3.......... 300
0+1=?+2=?+3.......... 325
0+1=?+2=?+3.......... 351
0+1=?+2=?+3.......... 378
0+1=?+2=?+3.......... 406
0+1=?+2=?+3.......... 435
0+1=?+2=?+3.......... 465
0+1=?+2=?+3.......... 496
0+1=?+2=?+3.......... 528
0+1=?+2=?+3.......... 561
0+1=?+2=?+3.......... 595
0+1=?+2=?+3.......... 630
0+1=?+2=?+3.......... 666
0+1=?+2=?+3.......... 703
0+1=?+2=?+3.......... 741
0+1=?+2=?+3.......... 780
0+1=?+2=?+3.......... 820
0+1=?+2=?+3.......... 861
0+1=?+2=?+3.......... 903
0+1=?+2=?+3.......... 946
0+1=?+2=?+3.......... 990
0+1=?+2=?+3.......... 1035
0+1=?+2=?+3.......... 1081
0+1=?+2=?+3.......... 1128
0+1=?+2=?+3.......... 1176
0+1=?+2=?+3.......... 1225
0+1=?+2=?+3.......... 1275
0+1=?+2=?+3.......... 1326
0+1=?+2=?+3.......... 1378
0+1=?+2=?+3.......... 1431
0+1=?+2=?+3.......... 1485
0+1=?+2=?+3.......... 1540
0+1=?+2=?+3.......... 1596
0+1=?+2=?+3.......... 1653
0+1=?+2=?+3.......... 1711
0+1=?+2=?+3.......... 1770
0+1=?+2=?+3.......... 1830
0+1=?+2=?+3.......... 1891
0+1=?+2=?+3.......... 1953
0+1=?+2=?+3.......... 2016
0+1=?+2=?+3.......... 2080
0+1=?+2=?+3.......... 2145
0+1=?+2=?+3.......... 2211
0+1=?+2=?+3.......... 2278
0+1=?+2=?+3.......... 2346
0+1=?+2=?+3.......... 2415
0+1=?+2=?+3.......... 2485
0+1=?+2=?+3.......... 2556
0+1=?+2=?+3.......... 2628
0+1=?+2=?+3.......... 2701
0+1=?+2=?+3.......... 2775
0+1=?+2=?+3.......... 2850
0+1=?+2=?+3.......... 2926
0+1=?+2=?+3.......... 3003
0+1=?+2=?+3.......... 3081
0+1=?+2=?+3.......... 3160
0+1=?+2=?+3.......... 3240
0+1=?+2=?+3.......... 3321
0+1=?+2=?+3.......... 3403
0+1=?+2=?+3.......... 3486
0+1=?+2=?+3.......... 3570
0+1=?+2=?+3.......... 3655
0+1=?+2=?+3.......... 3741
0+1=?+2=?+3.......... 3828
0+1=?+2=?+3.......... 3916
0+1=?+2=?+3.......... 4005
0+1=?+2=?+3.......... 4095
0+1=?+2=?+3.......... 4186
0+1=?+2=?+3.......... 4278
0+1=?+2=?+3.......... 4371
0+1=?+2=?+3.......... 4465
0+1=?+2=?+3.......... 4560
0+1=?+2=?+3.......... 4656
0+1=?+2=?+3.......... 4753
0+1=?+2=?+3.......... 4851
0+1=?+2=?+3.......... 4950
0+1=?+2=?+3.......... 5050
5050 jieguo
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)
root@kali:~/xuexi# python 4.py
5060 jieguo
代码意思:先定义qiqi等于10,然后qiqi等与从10加1一直加到100的结果,然后打印出来。
![image.png](data:image/png;base64,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)
root@kali:~/xuexi# python 4.py
933262154439441526816992388562667004907159682643816214685929638952175999932299156089414639761565182862536979208272237582511852109168640000000000000000000000000 jieguo
代码意思:先定义qiqi等于10,然后qiqi等与从10乘以1一直乘以到100的结果,然后打印出来。
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