Python: Create a new string with no duplicate consecutive letters from a given string

Python Basic - 1: Exercise-102 with Solution

Write a Python program to create a string with no duplicate consecutive letters from a given string.

Sample Solution:

Python Code:

def no_consecutive_letters (txt):
    return txt[0] + ''.join(txt[i] for i in range(1,len(txt)) if txt[i] != txt[i-1])

print(no_consecutive_letters("PPYYYTTHON"))
print(no_consecutive_letters("PPyyythonnn"))
print(no_consecutive_letters("Java"))
print(no_consecutive_letters("PPPHHHPPP")) 

Sample Output:

PYTHON
Python
Java
PHP

Pictorial Presentation:

Flowchart:

Python Code Editor:

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