a = [66.25, 333, 333, 1, 1234.5]
print(a.count(333), a.count(66.25), a.count('x')) # 2 1 0

a.insert(2, -1)
a.append(333)
print (a) # [66.25, 333, -1, 333, 1, 1234.5, 333]

print (a.index(333))  # 1
a.remove(333)
print (a) # [66.25, -1, 333, 1, 1234.5, 333]

a.reverse()
print (a) # [333, 1234.5, 1, 333, -1, 66.25]

a.sort()
print (a) # [-1, 1, 66.25, 333, 333, 1234.5]

4f1668de23840e00628617c451ddef9f469bec3a
<mask token>

<mask token>
print(a.count(333), a.count(66.25), a.count('x'))
a.insert(2, -1)
a.append(333)
print(a)
print(a.index(333))
a.remove(333)
print(a)
a.reverse()
print(a)
a.sort()
print(a)

a = [66.25, 333, 333, 1, 1234.5]
print(a.count(333), a.count(66.25), a.count('x'))
a.insert(2, -1)
a.append(333)
print(a)
print(a.index(333))
a.remove(333)
print(a)
a.reverse()
print(a)
a.sort()
print(a)

a = [66.25, 333, 333, 1, 1234.5]
print(a.count(333), a.count(66.25), a.count('x')) # 2 1 0

a.insert(2, -1)
a.append(333)
print (a) # [66.25, 333, -1, 333, 1, 1234.5, 333]

print (a.index(333))  # 1
a.remove(333)
print (a) # [66.25, -1, 333, 1, 1234.5, 333]

a.reverse()
print (a) # [333, 1234.5, 1, 333, -1, 66.25]

a.sort()
print (a) # [-1, 1, 66.25, 333, 333, 1234.5]
