Your first program
Handout
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Welcome
- Python follows your instructions, one line at a time.
- You write code here and run it — nothing to install.
- Read each step, then press Continue.
Show text with print
print(...)shows text on the screen.- Put the text in quotes:
"...". - Each
printstarts a new line.
print("Welcome to Python!")
print("This line runs next.")
Strings
- Text in quotes is called a string.
- You can use double quotes
"..."or single quotes'...'. - You can also print a number with no quotes, like
print(42).
Comments
- A line that starts with
#is a comment. - Python ignores comments — they do not run.
- Use them to leave notes for people who read your code.
# This line is a note for people. Python skips it.
print("Comments do not show.")
Now you try
- Below are a few tasks. Type your code and press Run.
- Press Check answer to see if it is correct.
Use print(...) to make Python show the words Hello, world! exactly (same spelling, same punctuation).
Click Run to see the output here.
Print two lines. The first line must be My name is Pat. The second line must be I am learning Python. (Use two print(...) calls.)
Click Run to see the output here.
Keep the comment line, then print the number 42. Notice the comment never appears in the output.
Click Run to see the output here.