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Iterating Through Dictionaries with For Loops

Titanic_cast = {
           "Leonardo DiCaprio": "Jack Dawson",
           "Kate Winslet": "Rose Dewitt Bukater",
           "Billy Zane": "Cal Hockley",
       }

print("Iterating through keys:")
for key in Titanic_cast:
    print(key)

print("
Iterating through keys and values:")
for key, value in Titanic_cast.items():
    print("Actor/ Actress: {}    Role: {}".format(key, value))

# output -
# Iterating through keys:
# Billy Zane
# Leonardo DiCaprio
# Kate Winslet

# Iterating through keys and values:
# Actor/ Actress: Billy Zane    Role: Cal Hockley
# Actor/ Actress: Leonardo DiCaprio    Role: Jack Dawson
# Actor/ Actress: Kate Winslet    Role: Rose Dewitt Bukater

Comment

iterate through dict with condition

>>> categories=   [{ 'Id': 1350, 'hasCategory': True},
               { 'Id': 113563, 'hasCategory': True},
               { 'Id': 328422, 'hasCategory': False}]
>>> [i['Id'] for i in categories if i['hasCategory'] == True]
[1350, 113563]

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Iterating Through Dictionaries with For Loops

iterate through dict with condition

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