bool類型轉換,str索引和切片.
阿新 • • 發佈：2018-07-31
start 切片 alex print pre 內容 content ont ()
叠代
s="asdzxc"
n = 0
for c in s:
print(c)
# 一題
# (1)
# name = " aleX leNb "
# print(name.strip())
# (2)
# print(name.split("al"))
# (3)
# name = "aleX leNb"
# print(name.split("Nb"))
# (4)
# name = "aleX leNb"
# print(name.strip("a""b"))
# (5)
# name = "aleX leNb"
# lol = (name.startswith("al"))
# print(lol)
# (6)
# name = "aleX leNb"
# lol = (name.endswith("Nb"))
# print(lol)
# (7)
# name = "aleX leNb"
# lol = name.replace("l","p")
# print(lol)
# (8)
# name = "aleX leNb"
# lol = name.replace("l","p",1)
# print(lol)
# (9)
# name = "aleX leNb"
# lol = name.split("l")
# print(lol)
# (10)
# name = "aleX leNb"
# lol = name.split("l",1)
# print(lol)
# (11)
# name = "aleX leNb"
# lol = name.upper()
# print(lol)
# (12)
# name = "aleX leNb"
# lol = name.lower()
# print(lol)
# (13)
# name = "aleX leNb"
# lol = name.title()
# print(lol)
# (14)
# name = "aleX leNb"
# lol = name.count("l")
# print(lol)
# (15)
# name = "aleX leNb"
# lol = name.count("l",4)
# print(lol)
# (16)
# name = "aleX leNb"
# lol = name.index("N")
# print(lol)
# (17)
# name = "aleX leNb"
# lol = name.index("N",-1)
# print(lol)
# (18)
# name = "aleX leNb"
# lol = name.index("X le")
# print(lol)
# (19)
# name = "aleX leNb"
# print(name[2])
# (20)
# name = "aleX leNb"
# print(name[0:3])
# (21)
# name = "aleX leNb"
# print(name[-2:])
# (22)
# name = "aleX leNb"
# lol = name.index("e")
# print(lol)
# 二題
# s = "123a4b5c"
# print(s[:3])
# print(s[3:6])
# print(s[0:7:2])
# print(s[1:7:2])
# print(s[-1:])
# print(s[-3:-8:-2])
# 三題
# s="asdfer"
# n = 0
# while n< len(s):
# print(s[n])
# n = n + 1
# for c in s:
# print(c)
# 四題
# s="asdfer"
# for c in s:
# print(s)
# 五題
# s="asdfer"
# for c in s:
# print(c+"sb")
# 六題
# s = "倒計時3秒","倒計時2秒","倒計時1秒","出發"
# for c in s:
# print(c)
# 七題
# content = input("請輸入內容").strip().split("+")
# lol = 0
# for i in content:
# figure = int(i)
# sum +=figure
# print(lol)
# 八題
# content = input("請輸入內容").strip().split("+")
# lol = 0
# for i in content:
# sum += int(i)
# print(lol)
# 九題:
# content = input("請輸入內容:")
# sum = 0
# for i in content:
# if i.isdigit():
# sum +=1
# print(sum)
# 十題:
bool類型轉換,str索引和切片.