Question: 
1. Install typescript
npm install -g typescript
2. Execute NPM init and press enter uniformly according to the prompt
3. Execute NPM I
4. Execute NPM list – G
5. Execute TSC – V to display normally
Question:
1. Install typescript
npm install -g typescript
2. Execute NPM init and press enter uniformly according to the prompt
3. Execute NPM I
4. Execute NPM list – G
5. Execute TSC – V to display normally