Sharing several python variable merging methods

I. List Merge

The first method:

a =[91,95,97,99]
b =[92,93,96,98]
c = a+b  # Merge
()  # Sort, sort, sort #
print(c)
(reverse=True)  # Sorting in reverse order
print(c)

The second method:

a =[91,95,97,99]
b =[92,93,96,98]
a[0:0] = b # Merge
()
print(a)

The third method:

a =[91,95,97,99]
b =[92,93,96,98]
a += b # Merge
()
print(a)

Fourth method:

a =[91,95,97,99]
b =[92,93,96,98]
(b) # Merge
()
print(a)

Fifth method:Here the entire list b is put into a. It is not recommended to use the

a =[91,95,97,99]
b =[92,93,96,98]
(b)  # Merge
print(a)

II. str Merge

The first:

a = 'You call:'
b = 'Little Ming'
print(a+b)

The second:

a = 'You call:'
b = 'Little Ming'
print("%s%s" % (a, b))

III. Dict Merge

The first:

y = {'a': 10, 'b': 8}
t = {'d': 6, 'c': 4}
# Merge t and into y
(t)
print(y)

The second:

y = {'a': 10, 'b': 8}
t = {'d': 6, 'c': 4}
print({**y, **t})  # dictionary splitting，keywords

The third:

y = {'a': 10, 'b': 8}
t = {'d': 6, 'c': 4}
f = dict(y)  # Dictionary constructor
(t)  # Updates
print(f)

The fourth:

y = {'a': 10, 'b': 8}
t = {'d': 6, 'c': 4}
c = dict(list(()) + list(()))
print(c)

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