GCP shell has a command named gcloud. To create a project you can use this command as shown below.
root@cloudshell:~$ gcloud projects create nadeem-gcp-1234567 --name=testproject
Create in progress for [https://cloudresourcemanager.googleapis.com/v1/projects/nadeem-gcp-1234567].
Waiting for [operations/cp.4673950361135063750] to finish...done.
Enabling service [cloudapis.googleapis.com] on project [nadeem-gcp-1234567]...
Operation "operations/acf.bd087d29-eec9-4724-a7e7-bc5c464c0585" finished successfully.
Hope it works!!
If you want to become a professional Google Cloud Architect, Its recommended to go for the certification course first.