Python program to Sort Words According to Their Length

str = input("Insert different strings with coma(,) seperated: ")
first = str.split()
len_first = len(first)
for i in range(len_first - 1):
 for j in range(len_first - 1 -i):
  if len(first[j]) > len(first[j + 1]):
   first[j], first[j + 1] = first[j + 1],first[j]
print(' '.join(first))

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Insert different strings with coma(,) seperated: my, python, string, tutorials, beginners, learn
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