join() function in python by R4R Team

- join() is a python in-build function which convert the given sequence into the string.this sequence may be list, tuple , set and range.
syntax is ''.join(seq)

Example

list is ["one","two","third"]
string we want is "one-two-third"


program-

#join on list
l=["one","two","three"]
s='-'.join(l)
print(s)
s=''.join(l)
print(s)
s=','.join(l)
print(s)
s='/'.join(l)
print(s)

#join on set
s=set(['1','2','3'])
ans='-'.join(s)
print(ans)
ans=''.join(s)
print(ans)
ans=','.join(s)
print(ans)
ans='/'.join(s)
print(ans)

output-

one-two-three
onetwothree
one,two,three
one/two/three
2-3-1
231
2,3,1
2/3/1

-In this program, we convert the list or set into the string by using ''.join(seq) and print them.
- here seq must contain string or alphabet, if sequence contain integer or float value then it will generate the error like
TypeError: sequence item 0: expected str instance, int found