题解 | #字符串编码#
字符串编码
http://www.nowcoder.com/practice/56a487c342a64d2ea4c3a0b0144b42d0
a = input()
if len(a) == 1:
print(f'1{a}')
b = ''
j = 1
for i in range(1, len(a)):
if a[i] == a[i-1]:
j += 1
else:
b += f'{j}{a[i-1]}'
j = 1
if i == len(a) - 1:
b += f'{j}{a[i]}'
print(b)
if len(a) == 1:
print(f'1{a}')
b = ''
j = 1
for i in range(1, len(a)):
if a[i] == a[i-1]:
j += 1
else:
b += f'{j}{a[i-1]}'
j = 1
if i == len(a) - 1:
b += f'{j}{a[i]}'
print(b)
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