'''
字符串
'''
s="hello"
# print(len(s))
# print(s[1])
# for i in range(0,len(s)):
#     print(s[i]);
# print(s[7])
# print(s[4])
# print(s[-1])
#字符串切片
# line="zhangsan,20"
# name=line[0:8]
# print(name)
# # age=line[9:]
# age=line[9:11]
# print(age)
s="abcde"
print(s[0::2])

1f7d678a3b1003cb19ddf1b95fd159364fb847d4
<mask token>

<mask token>
print(s[0::2])

<mask token>
s = 'hello'
s = 'abcde'
print(s[0::2])

'''
字符串
'''
s="hello"
# print(len(s))
# print(s[1])
# for i in range(0,len(s)):
#     print(s[i]);
# print(s[7])
# print(s[4])
# print(s[-1])
#字符串切片
# line="zhangsan,20"
# name=line[0:8]
# print(name)
# # age=line[9:]
# age=line[9:11]
# print(age)
s="abcde"
print(s[0::2])
