PYTHON

remove consecutive duplicates python

def remove_consecutive_duplicates(_list: list):
    preprocessed_list = []
    for x in itertools.groupby(_list):
        preprocessed_list.append(x[0])

    return preprocessed_list

python remove consecutive duplicates

no_consecutive_duplicates = [x[0] for x in itertools.groupby(my_list)]

Eliminate consecutive duplicates from a string in python

# Remove the Consecutive Duplicates string word:
# First System:
'''
s = input() #input: BBBBBPPIIAICCODEE
s2 = ""
prev = None
for chr in s:
    if prev != chr:
        s2 += chr
        prev = chr
print(s2)

output: BPIAICODE

'''

# Second System:

# input: SSSWWWIIFTPPYTHOOOOOOOOONNNNNNNNN
def removeConsecutiveDuplicates(s):
    if len(s) < 2:
        return s
    if s[0] != s[1]:
        return s[0] + removeConsecutiveDuplicates(s[1:])
    return removeConsecutiveDuplicates(s[1:])

# This code is contributed:
s1 = input()
print(removeConsecutiveDuplicates(s1))
# output: SWIFTPYTHON

remove consecutive duplicate string in python

# Remove the Consecutive Duplicates string word:
# First System:

#Example input: BBBBBPPIIAICCODEE

s = input() 
s2 = ""
prev = None
for chr in s:
    if prev != chr:
        s2 += chr
        prev = chr
print(s2)

output: BPIAICODE



# Second System:

# Example input: SSSWWWIIFTPPYTHOOOOOOOOONNNNNNNNN
'''
def removeConsecutiveDuplicates(s):
    if len(s) < 2:
        return s
    if s[0] != s[1]:
        return s[0] + removeConsecutiveDuplicates(s[1:])
    return removeConsecutiveDuplicates(s[1:])

# This code is contributed:
s1 = input()
print(removeConsecutiveDuplicates(s1))
# output: SWIFTPYTHON
'''