# How to modify the interval of the axis ticks in matplotlib ?

Modifying the interval of axis ticks in matplotlib can be easily done using the xticks() or yticks() methods. Examples

## Default values of xticks

First, let's create a simple plot as a reference.

````import matplotlib.pyplot as plt`

`ax = plt.subplot(111)`

`x = [1,2,3,4,5]`
`y = [4,1,3,6,1]`

`plt.scatter(x,y)`

`plt.grid()`

`plt.title('How to modify the interval of the axis ticks in matplotlib ?')`

`plt.savefig('modify_interval_of_the_axis_ticks_in_matplotlib_01.png')`

`plt.show()`
```

## Modify the interval of the axis ticks using xticks()

One solution for adjusting the ticks on the x-axis is using the function xticks() and providing a list of values as an argument.

````import matplotlib.pyplot as plt`

`ax = plt.subplot(111)`

`x = [1,2,3,4,5]`
`y = [4,1,3,6,1]`

`plt.scatter(x,y)`

`xticks_pos = [i/2.0 for i in range(12)]`

`plt.xticks(xticks_pos)`

`plt.grid()`

`plt.title('How to modify the interval of the axis ticks in matplotlib ?')`

`plt.savefig('modify_interval_of_the_axis_ticks_in_matplotlib_02.png')`

`plt.show()`
```

Output

## Rotating xtick labels

Please note that you can use the method "xtick" to rotate the tick labels:

````import matplotlib.pyplot as plt`

`ax = plt.subplot(111)`

`x = [1,2,3,4,5]`
`y = [4,1,3,6,1]`

`plt.scatter(x,y)`

`xticks_pos = [i/3.0 for i in range(18)]`

`plt.xticks(xticks_pos, rotation=90)`

`plt.grid()`

`plt.title('How to modify the interval of the axis ticks in matplotlib ?')`

`plt.savefig('modify_interval_of_the_axis_ticks_in_matplotlib_03.png')`

`plt.show()`
```

## Changing xtick labels

Finally, you can also customize the labels:

````import matplotlib.pyplot as plt`

`ax = plt.subplot(111)`

`x = [1,2,3,4,5]`
`y = [4,1,3,6,1]`

`plt.scatter(x,y)`

`xticks_pos = [i/2.0 for i in range(12)]`
`xticks_labels = [l for l in 'abcdefghijkl' ]`

`plt.xticks(xticks_pos,xticks_labels)`

`plt.grid()`

`plt.title('How to modify the interval of the axis ticks in matplotlib ?')`

`plt.savefig('modify_interval_of_the_axis_ticks_in_matplotlib_04.png')`

`plt.show()`
```