*The replace() function is pretty cool, but for this case all we need is indexing and concatenation:*
*julia> **s = "I am a scientist."* *"I am a scientist."* *julia> **s = s[1:7] * "scholar" * s[end:end]* *"I am a scholar."*
*The replace() function is pretty cool, but for this case all we need is indexing and concatenation:*
*julia> **s = "I am a scientist."* *"I am a scientist."* *julia> **s = s[1:7] * "scholar" * s[end:end]* *"I am a scholar."*