In [1]:

    

s = 'one two one two one'


    

In [2]:

    

print(s.replace(' ', '-'))


    

    




one-two-one-two-one

In [3]:

    

print(s.replace(' ', ''))


    

    




onetwoonetwoone

In [4]:

    

print(s.replace('one', 'XXX'))


    

    




XXX two XXX two XXX

In [5]:

    

print(s.replace('one', 'XXX', 2))


    

    




XXX two XXX two one

In [6]:

    

print(s.replace('one', 'XXX').replace('two', 'YYY'))


    

    




XXX YYY XXX YYY XXX

In [7]:

    

print(s.replace('one', 'XtwoX').replace('two', 'YYY'))


    

    




XYYYX YYY XYYYX YYY XYYYX

In [8]:

    

print(s.replace('two', 'YYY').replace('one', 'XtwoX'))


    

    




XtwoX YYY XtwoX YYY XtwoX

In [9]:

    

s_lines = 'one\ntwo\nthree'
print(s_lines)


    

    




one
two
three

In [10]:

    

print(s_lines.replace('\n', '-'))


    

    




one-two-three

In [11]:

    

s_lines_multi = 'one\ntwo\r\nthree'
print(s_lines_multi)


    

    




one
two
three

In [12]:

    

print(s_lines_multi.replace('\r\n', '-').replace('\n', '-'))


    

    




one-two-three

In [13]:

    

print(s_lines_multi.replace('\n', '-').replace('\r\n', '-'))


    

    




-three

In [14]:

    

print(s_lines_multi.splitlines())


    

    




['one', 'two', 'three']

In [15]:

    

print('-'.join(s_lines_multi.splitlines()))


    

    




one-two-three

In [16]:

    

s = 'one two one two one'


    

In [17]:

    

print(s.translate(str.maketrans({'o': 'O', 't': 'T'})))


    

    




One TwO One TwO One

In [18]:

    

print(s.translate(str.maketrans({'o': 'XXX', 't': None})))


    

    




XXXne wXXX XXXne wXXX XXXne

In [19]:

    

print(s.translate(str.maketrans('ow', 'XY', 'n')))


    

    




Xe tYX Xe tYX Xe

In [20]:

    

# print(s.translate(str.maketrans('ow', 'XXY', 'n')))
# ValueError: the first two maketrans arguments must have equal length


    

In [21]:

    

s = 'abcdefghij'


    

In [22]:

    

print(s[:4] + 'XXX' + s[7:])


    

    




abcdXXXhij

In [23]:

    

s_replace = 'XXX'
i = 4


    

In [24]:

    

print(s[:i] + s_replace + s[i + len(s_replace):])


    

    




abcdXXXhij

In [25]:

    

print(s[:4] + '-' + s[7:])


    

    




abcd-hij

In [26]:

    

print(s[:4] + '+++++' + s[4:])


    

    




abcd+++++efghij