Output Variables

Printing variables is how you see what your program is doing.

Print a single variable

python
x = "Python is awesome"
print(x)

### Python is awesome

Print several variables

Use commas to print multiple values with spaces:

python
x = "Python"
y = "is"
z = "awesome"
print(x, y, z)

### Python is awesome

Combine strings with +

For strings you can also use +:

python
print(x + y + z)

### Pythonisawesome

Notice there is no space this time!

Numbers and + or comma

With numbers, + means addition:

python
a = 5
b = 10
print(a + b)

### 15

But mixing a string and a number with + fails:

python
print(x + a)

### TypeError

The comma version always works:

python
print(x, a)

### Python 5

TL;DR

• print(x) prints one variable.
• Commas add spaces and mix any types.
• + glues strings but adds numbers.
• Never mix string and number with +.