python3基础之“小练习（3）”

1 # a="A screaming comes across the sky."
2 # a=a.replace("s","$")
3 # print(a)

1 # a="Hemingway"
2 # print(a.index("m"))

1 # a="岁月不待人"
2 # print(a)

1 # a="thr"
2 # b="ee"
3 # c=a+b
4 # print(c)
5 # v=c*3
6 # print(v)

1 # a="It was bright cold day in April,and the clorcks were strking thirteen."
2 # a=a.split(",")
3 # # print(a)
4 # print(a[0:1])

1 # q=["The Walking Dead", "Entourage", "The Sopranos","The Vampire Diaries"]
2 # for i in q:
3 #     print(i)

1 # for i in range(25,50):
2 #     print(i)

1 # a=["The Walking Dead", "Entourage", "The Sopranos","The Vampire Diaries"]
2 # for i in a :
3 #     print(i)
4 #     s=a.index(i)
5 #     print(s)

1 # a=input("type a str:")
2 # while a=="b":
3 #     if a=="q":
4 #         break
5 #         end
6 #     print("right!")

1 # a=[8,19,148,4]
2 # s=[9,1,33,83]
3 # d=[]
4 # for i in a:
5 #     for j in s:
6 #         d.append(i*j)
7 # print(d)