Semicolon#54

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linwaytin wants to merge 2 commits intonsmith5:masterfrom

linwaytin:semicolon

Commits on Sep 25, 2020

Changed p[i] to p[j].
linwaytin
committed

Commits on Sep 26, 2020

Modified the constructor MExpr(str::String) to work around the semicolon
linwaytin
committed