Index/ Python

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Control Statemnets

Objective

Learn

• if / else conditionals
• for loops
• while loops

Reference

Essentials

• From Byte of Python read the following chapters
  • Control flow

Exercises

If-Else

A1 - Write if/else to print if a number if odd or even

A2 - Write if-else-if-else to print grade.

If score > 90 grade is A.
If score is between 80 and 90 then grade is B.
If score is between 70 and 80 then grade is C.

A3 - Write a ‘ternary’ operator in one line.

if score > 50 ? print(“pass”) : print (“fail”)

Loops

B1 - Write a for loop printing 1 to 10

B2 - write a for loop printing 1 to 10, but in steps of 2 (e.g. 1, 3, 5, 7, 9)

B3 - Write a while loop printing 1 to 10

B4 - Write a loop from 1 to 10 and printing odd / even numbers

Checklist

At this point, you should:

• be comfortable writing if / else statements
• writing for loops
• writing while loops

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Index/ Python