Python

a = [[1,2],[3,4]]
b = [[2,3],[4,5]]

# Works correctly, returns 0
a.index([1,2])

# Throws error because list does not contain it
b.index([1,2])

index = None

try:
    index = b.index([0,3])
except ValueError:
    print("List does not contain value")

a = [[1,2],[3,4]]
b = [[2,3],[4,5]]

# Works correctly, returns 0
a.index([1,2])

# Throws error because list does not contain it
b.index([1,2])

index = None

try:
    index = b.index([0,3])
except ValueError:
    print("List does not contain value")

PREVIOUS	NEXT

Code Example
Python :: loop through KeyedVectors
Python :: Python List Note
Python :: panda3d intervals
Python :: handling files in django
Python :: convert set to list python time complexity method 3
Python :: using django annotations to get the last record
Python :: awesome python
Python :: Get First In Table Django
Python :: dynamic list in python
Python :: list of bad words python
Python :: how i make viribal inside a string in python
Python :: pandas concatenation (concat) using list comprehension
Python :: change y axis scale python
Python :: what is self in python constructor
Python :: python using boolean len comparing with
Python :: how to downlaod file using python
Python :: Lists and for loops in python
Python :: preventing players to make entry in the same block in a python tic tac toe game
Python :: machine learning project outline
Python :: flask extends two base.html
Python :: python initialize a 2d array
Python :: numpy convolution stride tricks
Python :: plot a against b
Python :: python convert unicode escape sequence
Python :: Access the Response Methods and Attributes in python Show redirections
Python :: Python String Membership
Python :: pd drop a range of dates
Python :: region python
Python :: plotly scroll zoom
Python :: genrate requirments.txt pytohn