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摘要: 1、条件成立执行 >>> a = 50 >>> if a > 10: print("xxx") xxx >>> if a < 10: print("yyy") >>> if a == 50: print("zzz") zzz score = int(input("score=")) if 100 > 阅读全文
posted @ 2020-12-26 15:48 小鲨鱼2018 阅读(531) 评论(0) 推荐(0)
摘要: zip()用于返回各个可迭代对象共同组成的元组。 >>> test1=["ccc","aaa","ddd","yyy","xxx"] >>> test2=(200,100,400,800,500) >>> test3="daceb" >>> for i in zip(test1,test2,test 阅读全文
posted @ 2020-12-26 14:48 小鲨鱼2018 阅读(1151) 评论(0) 推荐(0)
摘要: 用于生成二元组。 >>> test1 = ["xxx","yyy","ddd","ccc","aaa"] >>> enumerate(test1) <enumerate object at 0x000001C1224ED780> >>> test2=enumerate(test1) >>> type 阅读全文
posted @ 2020-12-26 14:25 小鲨鱼2018 阅读(231) 评论(0) 推荐(0)
摘要: >>> test1 = ["sss","ccc","aaa","ddd"] >>> test1.reverse() ## 就地反转 >>> test1 ['ddd', 'aaa', 'ccc', 'sss'] >>> test1.reverse() >>> test1 ['sss', 'ccc', 阅读全文
posted @ 2020-12-26 14:18 小鲨鱼2018 阅读(280) 评论(0) 推荐(0)
摘要: >>> test1 = ["ccc","aaa","aaa","ccc","bbb","aaa","ddd","aaa"] >>> test1.count("aaa") 4 >>> for i in range(test1.count("aaa")-1): test1.remove("aaa") > 阅读全文
posted @ 2020-12-26 14:06 小鲨鱼2018 阅读(984) 评论(0) 推荐(0)
摘要: 1、求最大值和最小值 >>> test1 = [34,2,5,65,322,21,54] >>> temp = test1[0] >>> for i in test1: if i > temp: temp=i >>> temp 322 >>> for i in test1: if i < temp: 阅读全文
posted @ 2020-12-26 13:52 小鲨鱼2018 阅读(3785) 评论(0) 推荐(0)
摘要: 1、 + 号拼接 >>> test1 = "abcd" >>> test2 = "opqr" >>> test3 = "xyzh" >>> test1 + test2 'abcdopqr' >>> test2 + test3 'opqrxyzh' >>> test2 + test1 + test3 阅读全文
posted @ 2020-12-26 12:24 小鲨鱼2018 阅读(119) 评论(0) 推荐(0)
摘要: 1、format()位置参数 >>> "abcdabdef".format() 'abcdabdef' >>> "abc{0}dabdef".format("YYYY","MMMM","OOOO") 'abcYYYYdabdef' >>> "abc{1}dabdef".format("YYYY"," 阅读全文
posted @ 2020-12-26 11:57 小鲨鱼2018 阅读(167) 评论(0) 推荐(0)
摘要: #include <stdio.h> int main(void) { int num; puts("please input a number:"); printf("num: ");scanf("%d",&num); printf("the last digit of num is: %d\n" 阅读全文
posted @ 2020-12-25 13:59 小鲨鱼2018 阅读(1372) 评论(0) 推荐(0)
摘要: #include <stdio.h> int main(void) { printf("hello world!\a\n"); return 0; } 阅读全文
posted @ 2020-12-24 21:42 小鲨鱼2018 阅读(279) 评论(0) 推荐(0)
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