Input & Output

Input

Get input from user and display (input’s type is string):

age = input("Your age? ") # python 3, raw_input for python 2
print("Your age:", age) # don't need space after "age"

Get the input and store to numbers list

numbers = list(map(int, input().split()))

Get multi inputs on 1 line:

x, y, z, n = (int(input()) for _ in range(4))

Print strings

Print normally:

print("Hello!") # python 3
print "Hello!" # python 2

Hello!
Hello!

Print with format:

print("Hello {} and {}.".format("A", "B"))

Hello A and B.

Change the order:

print("Hello {2} and {1}.".format("A", "B"))

Hello B and A.

Directly insert (python 3.6 or above):

b = "B"
print(f'Hello {"A"} and {b}.')

Hello A and B.

Print numbers

Print up to number of decimals:

number = 1
print("{:.6f}".format(number))

1.000000

Print multiple

They are separated by spaces.

print("1", 5, "thi")

1 5 thi

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