请用自己目前所学实现字符串大写转小写,小写变大写,并且将字符串变为镜像字符串。例如:’A’变为’Z’,’b’变为’y
示范字符串:
”sdSdsfdAdsdsdfsfdsdASDSDFDSFa”字符串大写变小写 小写变大写,然后最后变为镜像字符串。
Python13期 前来报道!!!
请用自己目前所学实现字符串大写转小写,小写变大写,并且将字符串变为镜像字符串。例如:’A’变为’Z’,’b’变为’y
示范字符串:
”sdSdsfdAdsdsdfsfdsdASDSDFDSFa”字符串大写变小写 小写变大写,然后最后变为镜像字符串。
Python13期 前来报道!!!
a = "sdSdsfdAdsdsdfsfdsdASDSDFDSFa"
# 大小写互换
new_a = a.swapcase()
# 镜像字符串
str_image = ""# 镜像后的字符串
str_1 = "abcdefghijklmnopqrstuvwxyz"
str_2 = str_1[::-1] # 小写字母对应镜像字符串
for i in new_a:
if i.islower():
str_image += str_2[str_1.find(i)]
else:
str_image += str_2[str_1.find(i.lower())].upper()
print("""大小写互换后:{}
镜像字符串为:{}""".format(new_a,str_image))
a='sdSdsfdAdsdsdfsfdsdASDSDFDSFa'
print (a.swapcase())
#字符串大小写转换
a='sdSdsfdAdsdsdfsfdsdASDSDFDSFa'
s = ''
for i in a:
if i.islower():
i = chr(219 - ord(i))
s += i
elif i.isupper():
i = chr(155 - ord(i))
s += i
print(s)
#镜像字符串
a = 'sdSdsfdAdsdsdfsfdsdASDSDFDSFa'
first=''
for i in a:
if i.islower():
first = first + i.upper()
else:
first = first + i.lower()
last=''
for i in a:
if i.islower():
last=last+chr(219 - ord(i))
else:
last = last + chr(155 - ord(i))
print (first)
print(last)
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