作業2018-12-5
阿新 • • 發佈:2018-12-05
6.定義一個字串"python的創始人是Guido",試分別打印出"Guido","odiuG", "ph的人uo"
a = "python的創始人是Guido" print(a[11:]) print(a[-1:-6:-1]) print(a[::3])
7.有字串"你"和"最帥",如何得到字串"你最帥",又如何得到字串"你最帥最帥最帥"
a = "你" b = "最帥" print(a + b) print(a + b * 3)
2. 像121 11 111等對稱的整型數稱為迴文整型數,隨機產生1000以內的10個整型數,列印其中的迴文整型數
importrandom i = 0 for i in range(10): a = random.randint(1, 1000) if a > 99: if a%10 == a//100: print(a) else: if a%10 == a//10: print(a)
4. 公雞5文錢1只,母雞3文錢1只,小雞3只1文錢,用100文錢買100只雞,可以怎麼買?
""" 定義公雞個數為:a 定義母雞個數為:b 小雞個數位:c """ a = 0 b = 0 c = 0 for a in range(21):for b in range(34): for c in range(300): if 5*a+3*b+c/3==100 and a+b+c==100: print(a, b, c, )
5. 使用input()讀入一個字串,統計字串中字母的個數,和數字的個數
a = str(input("請輸入一個字串:")) i = 1 shuzi = 0 zimu = 0 for i in range (len(a)): c = (a [i:i+1]) if c >= "0" and c <= "9": shuzi += 1 else: c = (a[i:i+1]) c >= "a" and c <= "z" zimu +=1 print(shuzi) print(zimu)
已知1990.1.1是星期一,使用者輸入一個1990後的任意年月,計算其1號星期幾
參考命令cal 12 2018