1. Interviewer: Write a Python code to get output as mentioned below.
Time: 15 Min
Level: Beginner
Example:
Input = "AAAABBBCCDAABBB"
Output= A4B3C2D1A2B3
Possible Answer
# define a function() that takes string input and return null if string is null and returns 1st occurrences of character followed by number of occurrences and so on.
# This function takes a string and returns processed string output.
def str_skimmer(input_string):
# Return null string if input is null.
if not input_string:
return ""
# Store values for 2 parameters - "Reference Character and "Count"
prev_char=input_string[0]
op=[]
count=1
for i in input_string[1:]:
if (i==prev_char):
count += 1
print(i, count, op)
else:
op.append(prev_char+str(count))
prev_char=i
count=1
op.append(prev_char+str(count))
print(op)
return ''.join(op)
#O: A4B3C2D1A2B3
ip="AAAABBBCCDAABBB"
op= str_skimmer(ip)
print(op)
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