Python list methods explanation and visualization

Python list methods

Append()

• Adds an element at the end of the list.

symbols = ['🔵', '🟨', '🟨']
symbols.append('🔺')

# output 
['🔵', '🟨', '🟨', '🔺']

Extend()

• Add the elements of a list (or any iterable), to the end of the current list.

symbols = ['🔵', '🟨', '🟨'] 
add_forms = ['🔺', '🔶']
symbols.extend(add_forms)

# output
['🔵', '🟨', '🟨', '🔺', '🔶']

Insert()

• Adds an element at the specified position.

symbols = ['🔵', '🟨', '🟨'] 
symbols.insert(0,  '🔺')

# output
['🔺', '🔵', '🟨', '🟨']

Remove()

• Removes the first item with the specified value.

symbols =  ['🔵', '🟨', '🟨', '🔺', '🔶']
symbols.remove('🟨')

# output
['🔵', '🟨', '🔺', '🔶']

Pop()

• Removes the element at the specified position.

symbols =  ['🔵', '🟨', '🟨', '🔺', '🔶']
symbols.pop(0)

# output
['🟨', '🟨', '🔺', '🔶']

Clear()

• Removes all the elements from the list.

symbols =  ['🔵', '🟨', '🟨', '🔺', '🔶']
symbols.clear()

# output
[]

Sort()

• Sorts the list.

symbols =  ['🔵', '🟨', '🔺', '🔶']
symbols.sort()

# output
['🔵', '🔶', '🔺', '🟨']

Reverse()

• Reverses the order of the list.

symbols =  ['🔵', '🟨', '🔺', '🔶']
symbols.reverse()

# output 
['🔶', '🔺', '🟨', '🔵']

Index()

• Returns the index of the first element with the specified value.

symbols =  ['🔵', '🟨', '🔺', '🔶']
x = symbols.index('🔶')

# output
3

Count()

• Returns the number of elements with the specified value.

symbols =  ['🔵', '🟨', '🟨', '🔺', '🔶']
x = symbols.count('🟨')

# output
2

copy()

• Returns a copy of the list.

symbols =  ['🔵', '🟨', '🟨', '🔺', '🔶', '🔶']
x = symbols.copy()

# output
['🔵', '🟨', '🟨', '🔺', '🔶', '🔶']

All the best to you.