def swap(xp, yp):
xp[0] = xp[0] ^ yp[0]
yp[0] = xp[0] ^ yp[0]
xp[0] = xp[0] ^ yp[0]
# Driver code
x = [10]
swap(x, x)
print("After swap(&x, &x): x = ", x[0])
a = 5
b = 6
# now swp the variables
a, b = b, a
# to swap two variables you need an other string harder than the first one
c = a # 5
a = b # 6
b = c # 5
a=5
b=10
a,b=b,a #swapped
def swap0(s1, s2):
assert type(s1) == list and type(s2) == list
tmp = s1[:]
s1[:] = s2
s2[:] = tmp
# However, the easier and better way to do a swap in Python is simply:
s1, s2 = s2, s1
a = 1
b = 2
a, b = b, a
# a = 2 , b = 1
a = 10
b = 20
print("not swiped value of a is",a)
print("not swiped value of b is",b)
stored_value = a
a = b
b = stored_value
print("swiped value of a is",a)
print("swiped value of b is",b)
# Python program to swap two variables
x = 5
y = 10
# To take inputs from the user
#x = input('Enter value of x: ')
#y = input('Enter value of y: ')
# create a temporary variable and swap the values
temp = x
x = y
y = temp
print('The value of x after swapping: {}'.format(x))
print('The value of y after swapping: {}'.format(y))
#tuple unpacking
myTuple = ("Tim","9","Smith")
#tuple unpacking allows us to store each tuple element in a variable
#syntax - vars = tuple
"""NOTE: no of vars must equal no of elements in tuple"""
name,age,sirname = myTuple
print(name)
print(age)
print(sirname)
#extra
#this alows us to easily switch values of variables
name,sirname = sirname,name
print(name)
print(sirname)
t = "Mr.Brown"
nt = t.swapcase()
print(nt)