Module 4

Module challenge

Putting string skills to work.

Analyze a sequence

Given a DNA sequence, extract the first three bases, count the G's, and print the sequence in uppercase.

Your task

Analyze a sequence

  • Extract the first 3 bases of ATGCGTA, count the G's, and print it uppercase.
Remember

• Access characters by index • Use negative indexing • Slice strings • Search, count, replace, and clean text