Python

Working with Collections

from collections import OrderedDict

string = '''Peter Piper picked a peck of pickled peppers
A peck of pickled peppers Peter Piper picked
If Peter Piper picked a peck of pickled peppers
Where’s the peck of pickled peppers Peter Piper picked?'''

position_mapping = OrderedDict()
words = string.split()

for position, word in enumerate(words, start=1):
  if word in position_mapping:
    position_mapping[word] += 1
  else:
    position_mapping[word] = 1

print(position_mapping)