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Summary Introduction to phyton
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It has a basic information on phyton language
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The code is in Python, a case-sensitive language. So, we need toconvert a given string to uppercase. Earlier, we talked about
string methods. We can see all the available functions or
methods in a string object by typing dot. We use the upper
method to convert the string to uppercase, which returns a new
string.
If the given string includes a lowercase "k", we should convert
the weight to pounds and print it on a terminal. We declare a
variable called "converted," get the weight, divide it by 0.45 to
convert it to pounds, and print the weight in pounds. To
terminate this block, we add "is" and concatenate it with
"converted."
If the "k" condition is not true, that means the weight was
entered in pounds. To convert it to kilograms, we declare a
variable called "converted," set it to weight times 0.45, and print
the weight in kilograms. To terminate this block, we add "in
kilograms" and concatenate it with "converted."
While Loops in Python
In Python, we use while loops to repeat a block of code multiple
times. We can use this to print the numbers 1 to 1 million times
in Python. But, writing 1 million lines of code isn't a good
approach. We can use a while loop and print the numbers using a
loop instead.
In every iteration of the loop, the value of "i" is incremented by
one. We can use the multiplication operator to repeat a string
based on the value of a number in Python, but we can't
concatenate a number to a string. In this case, we multiply a
number by a string to repeat that string. We see one extra
asterisk in every iteration.
It will never terminate, and our program will continue running
until it runs out of memory. So, we need to add a break
statement to terminate the loop after a certain number of
iterations.
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