'in' keyword in python

Skill - ‘in’ keyword in python

Table of Contents

Skills Required

• Setup python development environment
• Basic Printing in Python
• Commenting in Python
• Managing Variables in python
• Lists in python
• Strings in python
• for loop in python

Please make sure to have all the skills mentioned above to understand and execute the code mentioned below. Go through the above skills if necessary for reference or revision

in keyword in python can be used to

• check if an item is present in a collection like list, tuple, range, string
• iterate over a sequence like list, tuple, range etc using a for loop

‘in’ with if condition

names = ['john', 'smith', 'tom', 'Harry']

if 'smith' in names:
	print('smith is in the list!')

isTomPresent = 'tom' in names
print(isTomPresent) # True

isHPresent = 'H' in 'Harry'
print(isTomPresent) # True

‘in’ with for loop

names = ['john', 'smith', 'tom', 'Harry']
for k in names:
	print('The name is {0}'.format(k))

for n in range(5):
	print(n)

Video

The video for this post can be seen here

---

Online Interpreter

You can run these codes online at https://www.programiz.com/python-programming/online-compiler/

References

• https://www.geeksforgeeks.org/python-in-keyword/

---

Table of Contents