How to Handle Missing Keys in Python Dictionaries | Ep-15 Handling Missing Keys in Dictionaries
Handling missing keys in Python dictionaries
dictionary ={"a":1,"b":2}
print("the value associated with 'c'is: ")
print(dictionary["c"])
1. Python Program to Handling Missing Keys in Python Dictionaries Using key
""" It is the basic way to solve key errors using if-else condition. To check if the key
is present or not."""
if "c" in dictionary:
print(dictionary["c"])
else:
print("key error")
2. Python Program to Handling Missing Keys in Dictionaries Using get()
"""get(key,def_val) method is useful when we have to check for the key.
If the key is present, the value associated with the key is printed, else the def_value
passed in arguments is returned."""
country_code ={"india":1099,"nepal":1050}
print(country_code.get("india", "Not found"))
print(country_code.get("china", "Not found"))
3. Handling Missing keys in Python Dictionaries Using the try-except block
country_code = {"india": 1099, "nepal": 1050,"austria":1111}
try:
print(country_code["nepal"])
print(country_code["USA"])
except KeyError:
print("Not found")
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