﻿ Python: Remove empty lists from a given list of lists - w3resource

# Python: Remove empty lists from a given list of lists

## Python List: Exercise - 141 with Solution

Write a Python program to remove empty lists from a given list of lists.

Sample Solution:

Python Code:

``````list1 = [[], [], [], 'Red', 'Green', [1,2], 'Blue', [], []]
print("Original list:")
print(list1)
print("\nAfter deleting the empty lists from the said lists of lists")
list2 = [x for x in list1 if x]
print(list2)
```
```

Sample Output:

```Original list:
[[], [], [], 'Red', 'Green', [1, 2], 'Blue', [], []]

After deleting the empty lists from the said lists of lists
['Red', 'Green', [1, 2], 'Blue']
```

Flowchart: ## Visualize Python code execution:

The following tool visualize what the computer is doing step-by-step as it executes the said program:

Python Code Editor:

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## Python: Tips of the Day

Decapitalizes the first letter of a string:

Example:

```def tips_decapitalize(s, upper_rest=False):
return s[:1].lower() + (s[1:].upper() if upper_rest else s[1:])
print(tips_decapitalize('PythonTips'))
print(tips_decapitalize('PythonTips', True))
```

Output:

```pythonTips
pYTHONTIPS
```

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