flowControl.py

#!/usr/bin/python3

#Note the whitespace, different from curly bracket languages

i = 0

while(i < 10):
    print(i)
    i += 1

for x in range(0, 10):
    print(x)    #Prints 0-9

for x in range(10):  #Starts at 0 by default
    print(x)    #Prints 0-9

for x in range(10, 15):
    if x == 12:
        break  #Stops the loop
    print(x)

for x in range(20, 25):
    if x == 22:
        continue  #Stops this iteration of the loop
    print(x)

for x in range(100, 200, 10): #Increment by 10
    print(x)

for x in range(200, 100, -10): #Decrement by 10
    print(x)

sum = 0
for x in range(0, 100):
    sum += x
print(sum)

#String iteration, also works for lists
myStr = "test" 
for c in myStr:
    print(c)

#This also works, just not considered "good python"
for i in range(len(myStr)):
    print(myStr[i])



for x in range(0, 10):
    pass  #Loops and If Statements require a block, pass can be used as a placeholder



test = 11

if test > 0:
    if test > 10:
        print("Greater than 10")
    else:
        print("Positive")
elif test < 0:
    print("Negative")
else:
    print("Zero")

x = 7

if x == 1 or x == 2 or x == 3:
    print("true")
else:
    print("false") #false

flag = True

while flag:
    inputs = input("Enter STOP to exit loop: ")
    if inputs == "STOP":
        flag = False


#Custom interator
def characters(string):
    for c in string:
        yield c
    return

for c in characters("foobar"):
    print(c)