21-May-2026 Lesson 10
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one_two_three = 123
x = 1
#del one_two_three
def a():
one_two_three = 10
x = 9
def b():
global x
x = x + 1
print(x)
b()
a()
print(x)
x = [1,2,3,4,5,6]
x.remove(2)
print(id(x))
x.clear()
print(id(x))
x = []
print(id(x))
x = [6,1,2,3,4,5]
x.sort()
y = sorted(x)
print(x,y)
x = 6,1,2,3,4,5
x = list(x)
x.sort()
x = tuple(x)
y = sorted(list(x))
print(x,y)
d = {'a' : 1, 'b' : 2}
print(d.keys())
print(d.values())
print(d.items())
x = [1,2,3,4]
print(0 in x)
d = {"a" : 1, "b" : 2}
print(1 in d.values())
try:
x = 1
y = x + 1
if y == 2:
raise
except:
print("y is 2")
''' assert expression
=> if not expression:
raise AssertionError
asset exp1, exp2
=> if not exp1:
raise AssertionError(exp2)
'''
def a():
print("function a")
return False
try:
x = 1
y = x + 1
if y == 2:
assert a(), 'assertion error'
except AssertionError as msg:
print(msg)
#https://glot.io/snippets/hhrnbqy42s
Python
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