Python

# List in List

# List

friends = ["James", "David", "Anthony", "Larry"]
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friends = ["James", "David", "Anthony", "Larry"]
print(len(friends)) # 4
print(friends[0])   # James
print(friends[1])   # David
print(friends[2])   # Anthony
print(friends[3])   # Larry
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# Nested List

friends = [
    ["James",10,"a"], 
    ["David", 9,"b"], 
    ["Anthony", 8], 
    "Larry"
]
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friends = [
    ["James",10,"a"], 
    ["David", 9,"b"], 
    ["Anthony", 8], 
    "Larry"
]
print(len(friends))         # 4

print(friends[0])           # ["James",10,"a"]
print(len(friends[0]))      # 3
print(friends[0][0])        # James
print(friends[0][1])        # 10
print(friends[0][2])        # a

print(friends[2])           # ["Anthony", 8]
print(len(friends[2]))      # 2

print(friends[3])           # Larry
print(len(friends[3]))      # 5
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