Python
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Language
- 1 Language 9
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Hello World S
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Variables S
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Functions S
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Conditional A S
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Operators S
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While S
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Turtle S
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Script Mode S
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Debugging S
- 2 Strings 7
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Slice S
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Raw Strings S
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Regex A S
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Validation S
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Config S
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Security S
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Encrypt A S
- 3 Collections 6
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Lists S
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Dictionaries S
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Efficiency S
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Tree S
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Tuples S
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References S
- 4 Functions 5
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Recursion S
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Factorial S
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Modulus S
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Reassignment S
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Approximate S
- 5 Storage 8
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Files S
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Databases S
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Pipes S
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With open S
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Shelve A S
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Zip S
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Csv S
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Json S
- 6 Class 4
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Definition S
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Attributes S
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Functional S
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Methods S
- 7 Goodies 5
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Conditional Expression S
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List Comprehension A S
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Generator S
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Named Tuple S
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Modules S
- 8 Applications 5
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Pythagora A S
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Palindrome A S
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Binary Search A S
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Conway Game A S
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Coin Flip A S
- 9 Scheduler 4
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Time S
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Multithreading A S
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Subprocess S
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Logging S
- 10 Packages 6
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Clipboard A S
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Ocr A S
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Socket S
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Image S
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Virtualenv S
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Jupyter S
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R
Q
Python Language While
while True: line = input('>') if (line == 'quit'): break print(line) print('Done')Loops
While
1 p123 You can almost read while statement as if it were English.
code
# While syntax:
#
# You can almost read while statement as if it were English:
# - while n is greater than 0
# - display n
# - then decrement it
#
# The syntax is similar to a function definition.
def countdown(n):
while(n > 0):
print(n)
n = n -1
countdown(5) # 5 4 3 2 1
Input
p123 Sometimes you want to take input from user until they type quit.
copy
while True:
line = input('> ')
if (line == 'quit'):
break
print(line)
print('Done')
➥ Questions