Character, integer, string variables manipulation in Python

Today in this post, we will look at various variables used in python and how to deal with them.

We will understand how to deal with integers, characters, and strings in python.

1. Understanding String, integer/float, Boolean variables.

#String variable
character_name="Mike"

# Float variable
character_age="40.4523"

# A new string variable
phrase="How Old Are You ?"

# Boolean variable
is_male=True

# Printing string variable with text
print("Hello " +character_name + " ")
print(phrase + "\n")

# Printing integer with text
print(character_age+" years\n")
print(character_name+" great\n")

Output

Hello Mike 
How Old Are You ?

40.4523 years

Mike great

 


2. Operation on Strings

# Make the string uppercase
print(phrase.upper())

# Make the string text lowercase
print(phrase.lower())

# Checks is string is upper and returns true/false.
print(phrase.isupper())

# Makes the string upper and then performs the check.
# It means it will return true for sure.
print(phrase.upper().isupper())

# Gets length of the string "phrase"
print(len(phrase))

# Individual characters: get first character
print(phrase[0])
print(phrase.index("Are"))

# Replacing characters
print(phrase.replace("Old","New"))

Output

HOW OLD ARE YOU ?
how old are you ?
False
True
17
H
8
How New Are You ?

 


3. Operation on Integers

### Working with integers and numbers
print(-5.45)
print(3+5+3.6)
print(3*2+7)

### Convert number to string and print
my_num1=2.344
print(str(my_num1) + " is an awesome number")

### Various Operations on string like round, absolute value, and power of.
print(abs(my_num1))
print(round(my_num1))
print(pow(3,3))

### Getting Big and small number
print(max(5,9))
print(min(5,9))

Output

/Users/saket/PycharmProjects/1helloworld/venv/bin/python /Users/saket/PycharmProjects/1helloworld/3variables.py
-5.45
11.6
13
2.344 is an awesome number
2.344
2
27
9
5
Process finished with exit code 0

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