how to append to a dictionary key in python code example

Example 1: Python dictionary append

# to add key-value pairs to a dictionary:

d1 = {
	"1" : 1,
	"2" : 2,
  	"3" : 3
} # Define the dictionary

d1["4"] = 4 # Add key-value pair "4" is key and 4 is value

print(d1) # will return updated dictionary

Example 2: dictionary append value python

d = {1:2}
d.update({2: 4})
print(d) # {1: 2, 2: 4}