Output with print

Output with print

print() is Python's way of showing things on the screen. You'll use it constantly.

Print text

print("Hello, World!")

Print numbers

print(42)
print(3.14)

Print several things at once

Separate values with commas. Python adds a space between them.

print("Hello", "world", "again")
# Hello world again

Combine strings with +

You can glue strings together with +:

print("Hello " + "world")
# Hello world

But you can't mix a string and a number with +:

print("The answer is " + 42)  # TypeError!

Fix it with str() or a comma:

print("The answer is " + str(42))
print("The answer is", 42)

The end parameter

By default print ends with a newline. You can change it:

print("Hello", end=" ")
print("World")
# Hello World

The sep parameter

Change the separator between values:

print("a", "b", "c", sep="-")
# a-b-c

TL;DR

• print(value) shows a value.
• Commas add spaces; + glues strings.
• Use str() to turn numbers into strings.
• end and sep fine-tune the output.