RemoveConsecutiveDuplicates.py

# For a given string(str), remove all the consecutive duplicate characters.
# Example:
# Input String: "aaaa"
# Expected Output: "a"

# Input String: "aabbbcc"
# Expected Output: "abc"

# Note:
# You are not required to print anything. It has already been taken care of.


from sys import stdin

def removeConsecutiveDuplicates(string) :
	s=''
	i=0
	while i<len(string):
		x = string[i]
		j=i+1
		while j<len(string) and string[j] == x:
			j=j+1
		s += string[i]
		i = j
	return s
	
		
#main
string = stdin.readline().strip()

ans = removeConsecutiveDuplicates(string)

print(ans)