Python Basics # 4 | List Operations | append | extend | sort | remove | delete | slicing in python
Python Basics # 4 | List Operations | append | extend | sort | remove | delete | slicing in python
Python List Operations
Python Basics - Session No 4
Topic to be covered - List in Python
Code Starts Here
==============
list1 = [1,2,3,4,'Hi','Hello','Bye',3.14,33.6,True]
list1 = [1,2,3,4,'Hi','Hello','Bye',3.14,33.6,True,[4,5,6]]
How to reference a List
list1[6]
list1[-1][0]
Slicing in Python List
list [ number : n - 1]
list1[ 3 : 8 ]
list1[ 3 : 7 ]
How to get the index of a partticular element
list1.index('Bye')
list1.index(3)
Count the items
len(list1)
tuple1 = (1,2,3,4)
list2 = [1,2,3,4,'Hi','Hello','Bye',3.14,33.6,True,[4,5,6],(1,2,3,4)]
lista = [1,2,3]
listb = ['a','b','c']
listc = [1,2,3]
listd = ['a','b','c']
listc = lista + listb
print(listc)
Change the list
listc[4] = 'x'
Difference between Append and Extend in List
lista.append(listb)
print(lista)
listc.extend(listd)
print(listc)
Delete operations in List
del listc[1]
listc.remove('a')
Aliasing in Python
x = ['A','B','C']
y = x
x.extend('D')
z = x[:]
x.append('E')
lists = [8,7,5,4,3,2,10,0,1]
lists.sort()
list_string=['Venkat','Maneesh','Majid','Shwetha','Sonali','Mohsin']
list_string.sort()
print(list_string)
All the playlist of this youtube channel
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1. Data Preprocessing in Machine Learning
• Data Preprocessing in Machine Learning| Li...
2. Confusion Matrix in Machine Learning, ML, AI
• Confusion Matrix in Machine Learning, ML, AI
3. Anaconda, Python Installation, Spyder, Jupyter Notebook, PyCharm, Graphviz
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4. Cross Validation, Sampling, train test split in Machine Learning
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5. Drop and Delete Operations in Python Pandas
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6. Matrices and Vectors with python
• Matrices and Vectors with python
7. Detect Outliers in Machine Learning
• Detect Outliers in Machine Learning
8. TimeSeries preprocessing in Machine Learning
• TimeSeries preprocessing in Machine Learning
9. Handling Missing Values in Machine Learning
• Handling Missing Values in Machine Learning
10. Dummy Encoding Encoding in Machine Learning
• Label Encoding, One hot Encoding, Dummy En...
11. Data Visualisation with Python, Seaborn, Matplotlib
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12. Feature Scaling in Machine Learning
• Feature Scaling in Machine Learning
13. Python 3 basics for Beginner
• Python | Python 3 Basics | Python for Begi...
14. Statistics with Python
• Statistics with Python
15. Data Preprocessing in Machine Learning
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16. Sklearn Scikit Learn Machine Learning
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17. Linear Regression, Supervised Machine Learning
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