Iterate through list of dictionaries in Python

# Create a list of dictionaries
languages = [
    {
        "Python": "Machine Learning",
        "R": "Machine learning",
    },
    {
        "Python": "Web development",
        "Java Script": "Web Development",
        "HTML": "Web Development"
    },
    {
        "C++": "Game Development",
        "Python": "Game Development"
    },
    {
        "Java": "App Development",
        "Kotlin": "App Development"
    }
]


print(languages[0])
print(languages[1])
print(languages[2])
print(languages[3])

# Create a list of dictionaries
languages = [
    {
        "Python": "Machine Learning",
        "R": "Machine learning",
    },
    {
        "Python": "Web development",
        "Java Script": "Web Development",
        "HTML": "Web Development"
    },
    {
        "C++": "Game Development",
        "Python": "Game Development"
    },
    {
        "Java": "App Development",
        "Kotlin": "App Development"
    }
]

for key, val in languages[0].items():
    print("{} : {}".format(key, val))

# Create a list of dictionaries
languages = [
    {
        "Python": "Machine Learning",
        "R": "Machine learning",
    },
    {
        "Python": "Web development",
        "Java Script": "Web Development",
        "HTML": "Web Development"
    },
    {
        "C++": "Game Development",
        "Python": "Game Development"
    },
    {
        "Java": "App Development",
        "Kotlin": "App Development"
    }
]

# iterate over the list
for i in languages:
  
    # now i is a dict, now we see the keys 
    # of the dict
    for key in i.keys():
      
        # print every key of each dict
        print(key)

    print("-------------")

# Create a list of dictionaries
languages = [
    {
        "Python" : "Machine Learning",
        "R" : "Machine learning",
    },
    {
        "Python" : "Web development",
        "Java Script" : "Web Development",
        "HTML" : "Web Development"
    },
    {
        "C++" : "Game Development",
        "Python" : "Game Development"
    },
    {
        "Java" : "App Development",
        "Kotlin" : "App Development"
    }
]

# here we are printing the keys of the dictionary 
# by using list comprehension and each key will be
# printed in a new line due to the presence of " sep = "\n" ".
# It will add a new line character to our output.

print(*[key for i in languages for key in i.keys()], sep = "\n")