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    "# Write a Python program to find the occurrence and position of the substrings within a string.\n",
    "# \n",
    "# Input\n",
    "# text = 'Python exercises, PHP exercises, C# exercises'\n",
    "# pattern = 'exercises'\n",
    "# \n",
    "# Output\n",
    "# Found \"exercises\" at 7:16                                                                                     \n",
    "# Found \"exercises\" at 22:31                                                                                    \n",
    "# Found \"exercises\" at 36:45"
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