"""
input sample:
17. random text1
18. random text2

output:
17, random text1
18, random text2
"""

'\ninput sample:\n17. random text1\n18. random text2\n\noutput:\n17, random text1\n18, random text2\n'

input_sample = """
17. random text1
18. random text2
"""

# Process the input sample
output = []
for line in input_sample.strip().split("\n"):
    number, text = line.split(". ", 1)  # Split by the first occurrence of ". "
    output.append(f"{number}, {text}")

# Combine the processed lines
result = "\n".join(output)
print(result)

17, random text1
18, random text2

def separate_index(line):

    if ""

    number, text = line.split(". ", 1) 

    return number, text

separate_index("18. random text2")

('18', 'random text2')

separate_index("random text2")

---------------------------------------------------------------------------

ValueError                                Traceback (most recent call last)

Cell In[5], line 1
----> 1 separate_index("random text2")


Cell In[3], line 3, in separate_index(line)
      1 def separate_index(line):
----> 3     number, text = line.split(". ", 1) 
      5     return number, text


ValueError: not enough values to unpack (expected 2, got 1)